Answer
$63$ is $75\%$ of $84$
Work Step by Step
$a=p\% . b$
$63=p\% . 84$
Divide each side by 84.
$0.75=p\% $
$p\% = 75\%$
63 is 75% of 84
Using the Percent Proportion:
$\frac{a}{b}=\frac{p}{100}$
$\frac{63}{84}=\frac{p}{100}$
$63(100)=84p$
$84p=6300$
$p=75$
The two methods give the same result.