Percentage means 'per hundred' or \(\dfrac{1}{100}\).
The symbol for percentage is \(\%\) and it is read as 'percent'.
As example,
\(\begin{aligned} 0.55&=\dfrac{55}{100} \\&={\color{red}{55\%}}\end{aligned}\)
Or,
\(\begin{aligned} &\quad\space\space\space{\color{orange}{\curvearrowright\curvearrowright}}\\0.55&=0.55\times1{\color{orange}{00}}\% \\&={\color{red}{55\%}} \end{aligned}\)
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