# Percentage (X% of Y) Calculator

getcalc.com's **Percentage (X% of Y) Calculator** is an online basic math functions tool to find what is X% of Y to measure the relative percent value in each hundred of the reference value. To calculate X is what percentage of Y, percentage difference, change, increase, decrease or error, use the below calculators

## Definition & Formulas

**Percentage (X% of Y)** is an important mathematical function also used to measure the relative score or quantity in each hundred. For example, *what is 97 percent of 1200?* The answer 1164 is 97% of 1200.

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