HELP!!!!!!!!!!!!!!!!!ASAP!!!!!!!!!!!!!!!

In chemistry class, Bob recorded the volume of a liquid as 12.8 mL. The actual volume was 12.4 mL. Use the formula to find percent error of Bob's measurement to the nearest tenth of a percent.

Percent Error =
|Experimental Value − Actual Value|

Actual Value
× 100

The percent error of Bob's measurement is __________%.