All tools
EN
💯

Percentage Calculator

Pick a task, enter two values and get the result instantly with the solution.

FAQ

How do I calculate a percentage of a number?

Multiply the number by the percentage and divide by 100. 20% of 150 = 150 × 20 ÷ 100 = 30.

How do I calculate percentage change?

(New − old) ÷ old × 100. From 80 to 100 is a +25% change.

How do I subtract a percentage?

Multiply by (1 − percentage ÷ 100). 200 minus 15% = 200 × 0.85 = 170.

More calculators