241 free calculators · math, finance, health, and everyday utilities No sign-up required · Runs in your browser
Calculator.casa / Math / Percent Change Calculator
Math

Percent Change Calculator

Calculate the percentage increase or decrease between two numbers.

Percent Change

How this calculator works

Percent change measures how much a number grew or shrank relative to its starting value. A positive result is an increase; negative is a decrease.

Formula

change = ((to − from) ÷ |from|) × 100