Examples for

Percentages

A percentage is a number expressed as a fraction of 100, and the percent sign, %, is often used as standard notation. Wolfram|Alpha can take a percentage of a number or quantity and calculate percentage increase or decrease problems.

Percentages

Take a percentage of a number or a quantity.

Find information about a percentage:

20%

Convert a fraction to a percentage:

convert 1/6 to percent

Calculate a percentage of a number:

15% of 80

Calculate a percentage of a quantity:

30% of 8 miles
7.5% of $12.95

Percent Increase & Decrease

Increase or decrease numbers or quantities by a percentage.

Increase a quantity by a percentage:

$2400 + 15%

Compute a discounted price:

15% off of $29.95

Compute successive increases or decreases:

$50 + 10% + 8%

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Pre-Algebra Web App

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