Percentage Calculator
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How to Use
- Select the type of calculation you need
- Enter the required values
- Click Calculate to see the result
- Use for various percentage calculations
Percentage Formulas
1. X% of Y = (X/100) × Y 2. Percentage change = ((New - Old) / Old) × 100 3. X is what % of Y = (X/Y) × 100
Example: 15% of 200 = (15/100) × 200 = 30
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Frequently Asked Questions
How to calculate percentage?
To find X% of Y, divide X by 100 and multiply by Y. For example, 20% of 50 = (20/100) × 50 = 10.
What is percentage change?
Percentage change shows the relative change between an old value and new value: ((New - Old) / Old) × 100.
How to calculate percentage increase?
Percentage increase = ((New Value - Old Value) / Old Value) × 100. If result is negative, it is a decrease.
How to find what percentage one number is of another?
Divide the first number by the second and multiply by 100. For example, 30 is what % of 150? (30/150) × 100 = 20%.