Percentage Change Calculator

What is the percentage change between two values?
+25%

Quick Examples

Percentage Change Formula

Percentage Change = ((New Value − Old Value) / |Old Value|) × 100

((100 − 80) / |80|) × 100 = +25%

Free Online Percentage Change Calculator

Calculate the percentage change between any two values and instantly see whether it's an increase or decrease. Great for comparing prices, stock values, test scores, and more.

About this tool

The percentage change calculator computes the relative difference between two values and tells you whether it represents an increase or decrease.

  • Automatically detects increase or decrease
  • Real-time calculation with direction indicator
  • Quick example buttons for common scenarios
  • Step-by-step formula breakdown

100% free. No signup required. No data collected or sent anywhere.

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