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
value is denoted by the percent sign %
, also the abbreviations pct
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