Percentage Calculator
What is X% of Y?
Calculate a percentage of a number
%
X is what % of Y?
Find what percentage one number is of another
Percentage Change
Calculate the percentage increase or decrease between two values
Percentage Difference
Calculate the percentage difference between two values
Formula
Percentage = (Part / Whole) x 100
Frequently Asked Questions
What is a percentage?
A percentage is a number or ratio expressed as a fraction of 100. It is denoted using the percent sign (%). For example, 45% is equal to 45/100, or 0.45.
How do I calculate what X% of Y is?
To calculate X% of Y, divide X by 100 and multiply by Y. For example, 25% of 200 = (25/100) x 200 = 50.
How do I calculate percentage change?
Percentage change = ((New Value - Old Value) / |Old Value|) x 100. A positive result means an increase, a negative result means a decrease.
What is the difference between percentage change and percentage difference?
Percentage change measures how much a value increased or decreased from an original value. Percentage difference measures the relative difference between any two values using their average as the baseline.
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