{"id":297,"date":"2026-08-22T10:06:00","date_gmt":"2026-08-22T10:06:00","guid":{"rendered":"https:\/\/netguide.io\/tools\/percentage-change-calculator\/"},"modified":"2026-08-22T10:06:00","modified_gmt":"2026-08-22T10:06:00","slug":"percentage-change-calculator","status":"publish","type":"post","link":"https:\/\/netguide.io\/tools\/en\/percentage-change-calculator\/","title":{"rendered":"Percentage Change Calculator"},"content":{"rendered":"<div id=\"netgu-339796868\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<style>\n.wp-pch-container { max-width:100%; background:#fff; padding:20px; border:1px solid #ddd; border-radius:10px; font-family:-apple-system, sans-serif; color:#333; }\n.wp-pch-title { margin:0 0 15px 0; color:#2271b1; font-size:1.4rem; }\n.wp-pch-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:12px; margin-bottom:10px; }\n.wp-pch-input-group label { display:block; font-size:11px; font-weight:bold; margin-bottom:4px; text-transform:uppercase; color:#666; }\n.wp-pch-input-group input, .wp-pch-input-group select { width:100%; padding:8px; border:1px solid #ccc; border-radius:4px; box-sizing:border-box; }\n.wp-pch-checkbox-group { margin:15px 0; font-size:12px; display:flex; align-items:center; gap:8px; color:#666; }\n.wp-pch-note { font-size:12px; color:#666; margin-top:12px; min-height:1em; }\n.wp-pch-warn { color:#d63638; font-weight:bold; }\n.wp-pch-results { margin-top:20px; border-top:2px solid #eee; padding-top:15px; }\n.wp-pch-res-item { display:flex; justify-content:space-between; margin-bottom:6px; font-size:14px; gap:10px; }\n.wp-pch-total { font-weight:bold; font-size:18px; color:#2271b1; margin:10px 0; padding:5px 0; border-top:1px solid #eee; border-bottom:1px solid #eee; }\n.wp-pch-val { color:#2271b1; font-weight:bold; }\n.wp-pch-out { width:100%; box-sizing:border-box; padding:10px; border:1px solid #ccc; border-radius:4px; font-family:monospace; font-size:13px; word-break:break-all; background:#f7f7f7; margin-top:6px; }\n.wp-pch-btn { background:#2271b1; color:#fff; border:none; padding:9px 14px; border-radius:4px; cursor:pointer; font-size:13px; margin-top:10px; }\n<\/style><script>window.wpPchL = {\"up\":\"increase\",\"down\":\"decrease\",\"same\":\"no change\"};<\/script>\n<div class=\"wp-pch-container\">\n  <h3 class=\"wp-pch-title\">Percentage Change Calculator<\/h3>\n  <div class=\"wp-pch-grid\">\n    <div class=\"wp-pch-input-group\"><label>Old value<\/label><input type=\"number\" id=\"pch-old\" value=\"200\" step=\"any\" oninput=\"calcPch()\"><\/div>\n    <div class=\"wp-pch-input-group\"><label>New value<\/label><input type=\"number\" id=\"pch-new\" value=\"250\" step=\"any\" oninput=\"calcPch()\"><\/div>\n  <\/div>\n  <div class=\"wp-pch-results\">\n    <div class=\"wp-pch-res-item wp-pch-total\"><span>Change:<\/span><span id=\"pch-pct\">0 %<\/span><\/div>\n    <div class=\"wp-pch-res-item\"><span>Difference:<\/span><span id=\"pch-diff\">0<\/span><\/div>\n    <div class=\"wp-pch-res-item\"><span>Direction:<\/span><span id=\"pch-dir\">\u2013<\/span><\/div>\n  <\/div>\n  <div class=\"wp-pch-note\">Formula: (new \u2212 old) \u00f7 |old| \u00d7 100. Positive = increase, negative = decrease.<\/div>\n<\/div>\n<script>\nfunction pchFmt(x){ if(!isFinite(x))return '-'; return (Math.round(x*100)\/100).toLocaleString('en-US',{maximumFractionDigits:2}); }\nfunction calcPch(){\n  var oldv=parseFloat(document.getElementById('pch-old').value)||0; var newv=parseFloat(document.getElementById('pch-new').value)||0; var L=window.wpPchL||{};\n  var diff=newv-oldv;\n  var pct = oldv!==0 ? diff\/Math.abs(oldv)*100 : NaN;\n  document.getElementById('pch-diff').innerText=pchFmt(diff);\n  var pctEl=document.getElementById('pch-pct');\n  pctEl.innerText = isFinite(pct) ? ((pct>0?'+':'')+pchFmt(pct)+' %') : '-';\n  pctEl.style.color = !isFinite(pct) ? '#666' : (pct>0?'#2e7d32':(pct<0?'#d63638':'#666'));\n  document.getElementById('pch-dir').innerText = !isFinite(pct) ? '' : (pct>0?(L.up||'increase'):(pct<0?(L.down||'decrease'):(L.same||'no change')));\n}\ncalcPch();\n<\/script>\n\n\n<div id=\"netgu-1195571697\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- NetGuide.io-After-Widget-Tools -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-6258556257245998\"\r\n     data-ad-slot=\"5175852350\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Calculate percentage change<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The calculator determines by how many percent a value has changed \u2013 such as a price, a metric or a stock. It also shows the absolute difference.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Formula:<\/strong> (new value \u2212 old value) divided by the old value, times 100.<\/li>\n\n\n<li><strong>Increase\/decrease:<\/strong> A positive value means growth, a negative one a decline.<\/li>\n\n\n<li><strong>Example:<\/strong> From 200 to 250 is +25%.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Related calculators<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/tools\/en\/percentage-vat-calculator\/\">Percentage & VAT Calculator<\/a><\/li>\n\n\n<li><a href=\"\/tools\/en\/rule-of-three-calculator\/\">Rule of Three Calculator<\/a><\/li>\n<\/ul>\n\n\n<div id=\"netgu-1657891645\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Calculate the percentage change between two values \u2013 increase or decrease, plus the absolute difference. Runs in the browser.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[158],"tags":[],"class_list":["post-297","post","type-post","status-publish","format-standard","hentry","category-rechner-calculator-en"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/comments?post=297"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/297\/revisions"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/media?parent=297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/categories?post=297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/tags?post=297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}