-97.22% is the change from 288 to 8
Calculation steps:
[( 8 - 288 ) ÷ 288] x 100 = -97.22%
Formula
Percentage change = [(8 - 288) / 288] x 100
Subtract the new number by the original number
8 - 288 = -280
-280 ÷ 288 = -0.9722222222222222
-0.9722222222222222 x 100 = -97.22%