Percentage Calculator

Percentage Calculator, Formulae, Examples, & Definition

A percentage calculator is a free online tool that helps you calculate percentages.

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Other Percent Calculators

Percent Change Calculator
Percent Increase Calculator
Percent Decrease Calculator
Percent Difference Calculator

Percent Converters

Percent To PPM PPM To Percent
Percent To Fraction Fraction To Percent
Percent To Decimal Decimal To Percent

How To Calculate Percentage Of A Number?

To calculate the percentage of a number, divide the part by the whole, and then multiply it by 100%.

The formula to calculate percentage of a number is P = ( X / Y ) × 100 % , where

X is the part of the whole, and
Y is the whole value.

The excel and google sheets formula to calculate percentage of a number is =(A1 / B1) × 100

Where the value of X (part of the whole) is in cell A1, and

Value of Y (whole value) is in cell B1

Example 1: 30 of 200 is what percent?

Using the formula, P = ( X / Y ) × 100 % , we have:

X = 30

Y = 200

We get P = ( 30 / 200 ) × 100 %

P = 15%

Example 2: 40 of 60 is what percent?

Using the formula, P = ( X / Y ) × 100 % , we have:

X = 40

Y = 60

We get P = ( 40 / 60 ) × 100 %

P = 66.666%

What Is The Percentage Definition?

Percentage is the number or ratio represented as a fraction of 100 or a part of a hundredth. It’s a unit of proportion which is an instance of parts per notation and is a dimensionless quantity with no standard unit of measurement.

The term percentage is derived from the Latin word “ per centum” which means “by a hundred”. The subdivision of percentage is per mille. The relation between percent and per mille is:

1 percentage (1%) = 10 per mille (10‰)

The value of percentage ranges from 0 to 100 when measured as a part of the whole but can hold any real number value when measuring relative change.

What Is The Percentage Sign?

The percent sign is %.

To access the percent sign on the keyboard, press Shift + 5 on windows and Cmd + 5 on mac.

In programming languages, % sign is used as a modulus operator.

What Are The 3 Abbreviations Of Percentage?

The 3 abbreviations of percentage are pct., pct, and pc.

What Are Percentage Points?

Percentage point is a unit for measuring the arithmetic difference between two percentage values.

For example, if a quantity increases from 20% to 25%, it has increased by 5 percentage points.

Percentage points have 3 abbreviations including pp, p.p., or %pt.

What Is A Percentile?

A percentile is a statistical measure that indicates the value below which a given percentage of observations in a group of observations falls.

For example, the 20th percentile is the value below which 20% of the observations may be found.

Percentiles are commonly used to report scores in standardized tests, to assess relative standing within a population, and to analyze data distribution in various fields such as economics, education, and healthcare.