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Percentage Calculator

Easily calculate percentages.

How to Calculate

The Percentage Calculator supports 3 modes. 1. X% of a value: Calculates what X% of Y is. (Y × X / 100) 2. What percent: Calculates what percentage X is of Y. (X / Y × 100) 3. Percent change: Calculates the percentage change from the old value to the new value. ((New − Old) / |Old| × 100)

Example

Mode 1: 20% of 500 = 100 Mode 2: 25 is 12.5% of 200 Mode 3: 100 to 150 is a 50% increase

FAQ

What is the difference between percent change and percent difference?
Percent change is the ratio of the change relative to the original value. For example, going from 100 to 150 is a 50% increase.
Can I see decimal results?
Yes, results are displayed up to two decimal places.
Can I enter negative values?
Yes, negative values are accepted. In percent change mode, they may represent a decrease.