if we take 454 to be the 100%, what is 286.02 off of it in percentage anyway?
[tex] \bf \begin{array}{ccll}
amount&\%\\
\cline{1-2}
454&100\\
286.02&x
\end{array}\implies \cfrac{454}{286.02}=\cfrac{100}{x}\implies x=\cfrac{286.02\cdot 100}{454}\implies x=63 [/tex]
