The percentage sign is used in mathematics to represent a fraction out of 100. The symbol is also used in computing to represent the modulus operator. Typically, it is used in an expression like this:
$%15=10015 $
In plain language, this is read as “fifteenperecent” which is equivelant to the fraction $10015 $. Shown below are various formats for the percent symbol.
Symbol  Format  Data 

%  Unicode 

$%$  TeX 

SVG 