-97.3% is the change from 296 to 8
Calculation steps:
[( 8 - 296 ) ÷ 296] x 100 = -97.3%
Formula
Percentage change = [(8 - 296) / 296] x 100
Subtract the new number by the original number
8 - 296 = -288
-288 ÷ 296 = -0.972972972972973
-0.972972972972973 x 100 = -97.3%