Percentage Calculator
%
0
Result
Calculate Percentages Instantly
Percentages are used everywhere—from calculating a tip at a restaurant to figuring out your grade on a test or calculating the discount on a sale. CalculatorBud’s **Percentage Calculator** handles the three most common math problems you will encounter in daily life.
Percentage Formulas Cheat Sheet
Want to do the math yourself? Here are the standard formulas used by students and professionals:
| Goal | Formula | Example |
|---|---|---|
| Find X% of Y | P% × Y = X | 20% of 50 = 10 |
| Find what % X is of Y | (X ÷ Y) × 100 | 10 is 20% of 50 |
| Percentage Change | ((New - Old) ÷ |Old|) × 100 | 50 to 100 is +100% |
Real World Examples
1. Calculating a Tip:
If your bill is $50 and you want to leave a 20% tip, multiply 50 by 0.20. The result is $10.
2. Store Discounts:
A $100 jacket is 30% off. Calculate 30% of 100 ($30), then subtract it from the original price ($100 - $30 = $70).