PERCENTAGES · FREE
Percentage calculator: percent of, change, add and subtract
Pick a calculation, type two numbers and read the answer straight away. Results are rounded to two decimals and nothing leaves your browser.
X% OF Y
12
15% of 80 is 12
Frequently asked questions
How do I calculate a percentage of a number?
Divide the percent by 100 and multiply by the number. 15% of 80 is 0.15 x 80 = 12.
How do I find a percent increase or decrease?
Subtract the old value from the new one, divide by the old value and multiply by 100. A result below zero is a decrease.
Is anything uploaded?
No. The math runs in your browser and nothing is stored or sent.