Do I need to sign up?

No. The tool works without an account.

Are my data uploaded?

Compatible operations run locally in the browser.

Percentage change = ((final - initial) / |initial|) × 100. A positive result is an increase; negative is a decrease.

Division by zero is undefined. Enter a non-zero initial value.

Calculate the percentage change between an initial and a final value.

Percentage change

20%

increase of 20

Initial valueFinal value

Change % = ((final - initial) / |initial|) × 100. Positive = increase, negative = decrease.

Examples

100 → 120 = +20%

200 → 150 = -25%

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Tool guide

Practical information to understand the result and use this tool correctly.

Calculate the percentage change between an initial and a final value.

The tool runs directly in the browser for immediate results.

Do I need to sign up?: No. The tool works without an account.
Are my data uploaded?: Compatible operations run locally in the browser.
What is the percentage change formula?: Percentage change = ((final - initial) / |initial|) × 100. A positive result is an increase; negative is a decrease.
What if the initial value is zero?: Division by zero is undefined. Enter a non-zero initial value.