A comprehensive tool to help you with all your percentage calculation needs, from simple fractions to percentage changes.
Understanding the formulas behind percentage calculations can help you solve problems even without a tool. Here are the most common ones:
To find what is $X\%$ of a number $Y$, you use the formula:
Result = (X / 100) × YTo find what percentage a number $X$ is of another number $Y$, the formula is:
Percentage = (X / Y) × 100%To calculate the percentage change from an initial value ($V_1$) to a final value ($V_2$), use the formula:
Percentage Change = ((V₂ - V₁) / |V₁|) × 100%A positive result indicates a percentage increase, while a negative result indicates a percentage decrease.