Percentage Calculator
Calculate percentages quickly and easily
What is % of a number?
%
Result:
What % is one number of another?
of
Result:
Percentage Change (Increase/Decrease)
→
Result:
Find Original Number
If X% equals a value, what is the original number?
=
Original Number:
How to Use This Calculator
1. What is X% of Y?
Calculate a percentage of a number. Example: What is 20% of 500? Answer: 100
2. What % is X of Y?
Find what percentage one number is of another. Example: 25 is what % of 200? Answer: 12.5%
3. Percentage Change
Calculate percentage increase or decrease between two values. Example: From 100 to 150 = 50% increase
4. Find Original Number
If you know that X% equals a value, find the original 100%. Example: If 25% = 50, then 100% = 200