Percentage Calculator
Calculate percentages, percentage increases, decreases, and find what percentage one number is of another.
Percentage Calculation
Calculate Percentages
Select a calculation type and enter values to see percentage results.
How to Use This Calculator
Choose calculation type
Select what type of percentage calculation you want to perform from the dropdown menu.
Enter your values
Input the numbers for your calculation. The form will adjust based on your selected calculation type.
View results
Results update automatically when you finish entering values or click Calculate.
Share or reset
Share your calculation with others or reset to start a new calculation.
Percentage Calculation Tips
Use 'What is X% of Y' to find a portion of a number (e.g., tax calculations).
Use 'X is what % of Y' to find what percentage one number represents.
Percentage change shows increase or decrease between two values.
Negative percentages indicate a decrease, positive indicate an increase.
Always check your calculation type matches your intended question.
Use decimal numbers for more precise calculations.