Percentage Calculator
Free online percentage calculator. Calculate percentages, find what percent X is of Y, compute percentage increase or decrease, and reverse-calculate the original value. Fast and accurate.
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Fill in the fields to calculate
How to Use
Choose a calculation type
Select one of the four modes: basic percentage, "what percent", percentage change, or reverse percentage.
Fill in the values
Enter the numbers in the provided fields. The result updates automatically.
Copy the result
Click the copy icon next to any result to copy it.