-97.02% is the change from 302 to 9
Calculation steps:
[( 9 - 302 ) ÷ 302] x 100 = -97.02%
Formula
Percentage change = [(9 - 302) / 302] x 100
Subtract the new number by the original number
9 - 302 = -293
-293 ÷ 302 = -0.9701986754966887
-0.9701986754966887 x 100 = -97.02%