Percentage Calculator
Calculate percentages instantly. Multiple calculation types below.
What is X% of Y?
What is % of = 30
X is what % of Y?
is what % of = 15%
Percentage Change
From to = +25%
Increase / Decrease by %
by % = 220
Frequently Asked Questions
How do I calculate a percentage? ▼
To find X% of Y, multiply Y by X and divide by 100. For example, 15% of 200 = 200 × 15 / 100 = 30.
How do I calculate percentage change? ▼
Percentage change = ((New Value - Old Value) / Old Value) × 100. A positive result means an increase, negative means a decrease.
What is the difference between percentage and percentile? ▼
A percentage is a ratio expressed as a fraction of 100. A percentile is a value below which a certain percentage of observations fall. For example, scoring in the 90th percentile means you scored higher than 90% of people.