Percentage Calculator
5 powerful calculators in one. Calculate percentages, differences, and changes instantly.
Frequently Asked Questions
How do I calculate what percentage one number is of another?
Use the "X is what % of Y?" calculator. For example, to find what percentage 25 is of 100, enter 25 as the part and 100 as the whole. The result will be 25%. The formula is: (Part ÷ Whole) × 100.
What is the difference between percentage change and percentage difference?
Percentage difference calculates the relative change from an original value to a new value (e.g., from 100 to 150 is a 50% increase). Percentage change applies a percentage to a base value to find the result (e.g., increasing 100 by 50% gives you 150).
How do I calculate percentage increase?
Use the "Percentage Difference" calculator. Enter your original value and new value. If the new value is higher, it will show a percentage increase in green. For example, from 100 to 120 is a 20% increase.
Can I calculate percentage decrease?
Yes! Use either the "Percentage Difference" calculator (which will show a red decrease indicator) or the "Percentage Change" calculator and select "Decrease". For example, decreasing 100 by 20% gives you 80.
What is X% of Y?
Use the "Find Value" calculator. Enter the percentage and the value. For example, 25% of 200 is 50. The formula is: (Percentage ÷ 100) × Value. This is useful for calculating discounts, tips, tax, and more.