Percentage Calculator

Four common percentage calculations, all on one page.

Quick answer: The Percentage Calculator answers four questions: what is X percent of Y, X is what percent of Y, what is the percentage increase or decrease between two numbers, and what is an amount after adding or subtracting a percentage.

What is X% of Y?

Percent (%)

of number

X is what percent of Y?

Number X

out of Y

Percentage increase or decrease

From (old value)

To (new value)

Add or subtract a percentage (discount, tax, markup)

Amount

Percent (%)

How to use Percentage Calculator

Pick the calculation that matches your question.
Enter the two numbers.
The answer appears instantly.

Features

Percent of a number
What percent one number is of another
Percentage increase and decrease
Add or subtract a percentage for discount and tax

Frequently asked questions

How do I calculate a percentage of a number?

Multiply the number by the percentage and divide by 100. For example 15% of 2000 is 2000 x 15 / 100 = 300.

How do I calculate percentage increase?

Subtract the old value from the new value, divide by the old value and multiply by 100.

How do I find a discounted price?

Use the last calculator: enter the price and the discount percent, and read the amount after subtracting the percentage.

How do I find what percent one number is of another?

Divide the first number by the second and multiply by 100.