Answer
18.6%
Work Step by Step
Part=64 ; whole=344
$\frac{64}{344}=\frac{x}{100}$
Write the fraction in the lowest terms:
$\frac{8}{43}=\frac{x}{100}$
Cross products:
$43x=800$
Solve for x. Round to the nearest tenth if necessary:
$x=18.6$