Answer
The percent of decrease 25%.
Work Step by Step
The change in attendance is $5760-4320=1440$.
$\frac{part}{whole}=\frac{percent}{100}$
$\frac{1440}{5760}=\frac{p}{100}$
Cross multiply to solve for p.
$5760p=(1440)(100)$
$5760p\div5760=144,000\div5760$
$p=25$
