Answer
5% of total, which is 18 degrees in a circle.
Work Step by Step
$percent=\frac{part}{whole}\times100$
$percent=\frac{273}{5460}\times100 = \frac{1}{20}\times5460 = 5$
We must then find 5% of 360 because a full circle is 360 degrees, so
$\frac{5}{100}\times360 = 0.05\times360 = 18$