Percentage Calculator
Calculate percentages instantly. Find percentage of a number, percentage change, and more.
What is X% of Y?
X is what % of Y?
Percentage Change
Increase/Decrease by %
How to Use
- X% of Y - Find a percentage of any number
- X is what % of Y - Find what percentage one number is of another
- Percentage Change - Calculate increase or decrease between two values
- Increase/Decrease - Add or subtract a percentage from a number
Percentage Calculator Online — The Complete Guide
Need to calculate percentage online? Our free percent calculator solves all percentage problems: find what percent is X of Y, calculate increases/decreases, and find percentage of number instantly.
What Percent is X of Y?
Answer questions like what percent is X of Y instantly. Enter two numbers to find the percentage relationship. For example: what percent is 25 of 200? Answer: 12.5%. Essential for grades, discounts, and proportions.
Percentage Increase Decrease Calculator
Our percentage increase decrease calculator determines the percent change between two values. Track stock gains, price changes, or performance metrics. Enter original and new values to see percentage difference.
Percentage Change Calculator
The percentage change calculator shows both the direction (increase/decrease) and magnitude of change. Important for financial analysis, scientific data, and business metrics.
Tips for Percentage Calculations
- Percentage of = (Part / Whole) x 100
- Percentage change = ((New - Old) / Old) x 100
- To find X% of Y: multiply Y by (X/100)
- Negative percentage change indicates a decrease