Percentage of a number
Find 20% of 500: 500 × 20 ÷ 100 = 100.
Calculate percentages, discounts, percentage changes, markups, tax, tips, and more. Enter your numbers to get instant results with simple formulas.
Find a percentage of any number.
Your result
Updated automatically as you change your inputs.
Percentage
20
The percentage you entered.
Original number
500
Rounded to 2 decimal places.
A percentage represents a part of a whole out of 100. To find what percentage one number is of another, divide the first number by the second and multiply the answer by 100.
Example
45 ÷ 60 × 100 = 75%
If you score 45 marks out of 60, your result is 75%.
Find 20% of 500: 500 × 20 ÷ 100 = 100.
A price rises from 80 to 100. The increase is 25%.
A price falls from 100 to 75. The decrease is 25%.
A $150 item with a 30% discount costs $105.
425 marks out of 500 equals 85%.
Compare two values relative to their average to find their percentage difference.
Multiply the number by 20 and divide by 100. For example, 20% of 500 is 100.
Subtract the original value from the new value, divide the difference by the absolute original value, and multiply by 100. The original value must not be zero.
Multiply the original price by the discount percentage divided by 100. Subtract that discount amount from the original price to get the sale price.
Yes. For example, 150% of 200 is 300. A percentage can exceed 100% when the amount is greater than the reference value.
Yes. You can enter decimal values, and the calculator will calculate the result automatically.
Yes. The calculator is designed to work on mobile phones, tablets, and desktop computers.
Free Percentage Calculator by ToolTen. Calculate percentages, discounts, changes, and more without installing an app.