-5.26% is the change from 304 to 288
Calculation steps:
[( 288 - 304 ) ÷ 304] x 100 = -5.26%
Formula
Percentage change = [(288 - 304) / 304] x 100
Subtract the new number by the original number
288 - 304 = -16
-16 ÷ 304 = -0.05263157894736842
-0.05263157894736842 x 100 = -5.26%