Percentage Calculator

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Percentage Formulas

1. Value Calculation

To find the value that corresponds to a percentage of a number:

$\text{Value} = (\text{X} / 100) \times \text{Y}$

2. Ratio Calculation

To find what percent one number is of another:

$\text{Percentage} = (\text{X} / \text{Y}) \times 100$

3. Percentage Change

To find the percent difference between two numbers:

$\text{Change \%} = ((\text{New} - \text{Original}) / \text{Original}) \times 100$