Calculators

Percentage Calculator

Calculate percentages instantly. Find X% of Y, what percent X is of Y, or the percentage change between two values.

Input

Calculation type

X% of Y = ? X is what % of Y? % change from X to Y

Result

Result will appear here.

How to Use

Choose a calculation mode: find X% of a number, find what percent one number is of another, or calculate percentage change.
Enter the relevant values.
The result is calculated automatically.

Calculation Methods

X% of Y: (X ÷ 100) × Y. What percent is A of B: (A ÷ B) × 100. Percentage change from A to B: ((B − A) ÷ A) × 100 — a positive result is an increase, a negative result is a decrease.

Common Uses

Calculating a discount amount or sale price.
Working out a tip or service charge.
Measuring growth or decline between two values, such as monthly sales.

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