Free finance calculator

Percentage Calculator

Calculate percentage of a number, percentage change and increase or decrease.

General percentage helper.

Common percentage uses

Percentages are used for discounts, tax, growth, price changes, margins and comparisons.

Three quick answers

This page calculates percentage of a number, increase/decrease by percentage and percentage change to a new value.

Search queries this calculator helps answer

This page is written for people looking for quick calculator-style answers, including these common search phrases:

How to use the result

Use the calculator output as a starting estimate. Check the assumptions, compare it to real-world results, and adjust if your situation changes.