Percentage Calculator
Instant solutions for Portions, Portions-to-Percentage, and Percentage change formulas.
1. Calculate Portion of a Value
What is
% of
?
Answer:
30
2. Calculate Percentage of Two Values
is what percent of
?
Answer:
20%
3. Percentage Increase / Decrease
What is the percentage change from
to
?
Answer:
+37.5%
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How to Calculate Percentages and Change Formulas
Percentages are used daily to calculate discounts, sales tax, inflation, and financial growth. A percentage is simply a portion of a whole expressed as a number out of 100. This multi-formula calculator helps you find the portion of a value, the percentage of two values, or the percentage change between an old and new number.
Use this tool to solve everyday percentage questions. Use these math concepts to analyze interest rates on our Auto & Personal Loan Calculator, or project return rates on the Investment Growth Calculator.