Percentage
What is a
percentage and how it is calculated in mathematics?
The word
percentage is from Latin words
per centum, that means
by a hundred. The
Percentage is a number/ratio expressed as a fraction with a denominator equals to
100. For example
25 % could be expressed as
.
A
percentage value is denoted by the percent sign
%, also the abbreviations
pct or
pc can be used. A percentage is a pure number, it does not have any unit of measurement and is dimensionless.
/Usually percentages are in a range from 0% to 100%, but they could be greater then 100%, e.g. 150% or 240%, or they could be a negative percentage like -45%. These percentage values are usually used when it's necessary to descrive changes in values or compare the values.
How to use Percentage Expert app
