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Percentage Calculator

Calculate what is X% of Y, percentage increase/decrease, and percentage difference instantly.

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Percentage Calculator is in Active Development

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How to use Percentage Calculator

1

Select Mode

Choose the percentage question you want to answer.

2

Input Numbers

Enter the values.

3

Copy Answer

Instant calculated answer with step-by-step formula.

Key Features of Percentage Calculator

What is X% of Y?
X is what percent of Y?
Percentage increase / decrease from A to B
Instant live answers

Frequently Asked Questions

Percentage Increase = [(New Value - Old Value) / Old Value] * 100.