Free Online Tool
Percentage Calculator
Calculate percentages, increases, and decreases in seconds.
Result
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How to Calculate Percentages
A percentage represents a number as a fraction of 100. Percentages are commonly used for discounts, taxes, grades, interest rates, statistics, and comparing values.
How to find a percentage of a number
Divide the percentage by 100, then multiply it by the number.
Formula: (Percentage ÷ 100) × Number
Example: 20% of 500 = (20 ÷ 100) × 500 = 100
Percentage Calculator Examples
What is 15% of 200?
(15 ÷ 100) × 200 = 30
25 is what percent of 80?
(25 ÷ 80) × 100 = 31.25%
Increase 500 by 20%
500 + (20 ÷ 100 × 500) = 600
Decrease 500 by 20%
500 − (20 ÷ 100 × 500) = 400
Frequently Asked Questions
How do I calculate a percentage of a number?+
Divide the percentage by 100, then multiply it by the number. For example, 20% of 50 is 0.20 × 50, which equals 10.
How do I find what percentage one number is of another?+
Divide the first number by the second number, then multiply the result by 100. For example, 15 is 30% of 50.
How do I calculate percentage increase?+
Subtract the original value from the new value, divide the difference by the original value, and multiply by 100.
How do I calculate percentage decrease?+
Subtract the new value from the original value, divide the difference by the original value, and multiply by 100.
Can a percentage be greater than 100%?+
Yes. A percentage greater than 100% means the value is larger than the whole or original amount. For example, 150% of 40 is 60.
Is this percentage calculator free?+
Yes. Xepoca’s Percentage Calculator is free to use and does not require registration.