Percentage Calculator
Calculate percentages, percentage increases, decreases, and percentage differences quickly and easily.
What is X% of Y?
Find a percentage of any number.
X is what % of Y?
Find what percentage one number is of another.
Percentage Increase / Decrease
Calculate the percentage change between two values.
Percentage Difference
Calculate the percentage difference between two values.
How to Calculate Percentages
A percentage represents a number as a fraction of 100. Percentage calculations are commonly used in shopping, business, finance, education, statistics and everyday life.
Percentage of a Number
To calculate X% of Y, use:
(X ÷ 100) × Y
Percentage Increase or Decrease
The percentage change is calculated using:
((New Value − Original Value) ÷ Original Value) × 100
Percentage Difference
Percentage difference uses the average of the two values:
|A − B| ÷ ((A + B) ÷ 2) × 100