CalculatorMath

Percentage Change Calculator

Calculate percentage increase or decrease between two values.

Instant · no account

Input

Enter your values

Old value

New value

Method

How it works

Change any input above and the result updates instantly. The formula or method used by this tool is shown below.

((new − old) / old) × 100

Keep going

Related tools

Explore more tools from Math and similar workflows.

Mean Absolute Deviation Calculator→P-Value Calculator→Percentage Calculator→Ratio Simplifier→Standard Deviation Calculator→Z-Score Calculator→Degrees to Radians→Number List Statistics→

Quick answers

About this tool

What does the Percentage Change Calculator do?+

Calculate percentage increase or decrease between two values.

How does this calculator calculate the result?+

It uses this method: ((new − old) / old) × 100

Are my inputs saved or sent to an account?+

Core CalcForge tools require no account, and most calculations run locally in your browser. Favorites and recent-tool history, when used, stay in this browser.