-97.21% is the change from 287 to 8
Calculation steps:
[( 8 - 287 ) ÷ 287] x 100 = -97.21%
Formula
Percentage change = [(8 - 287) / 287] x 100
Subtract the new number by the original number
8 - 287 = -279
-279 ÷ 287 = -0.9721254355400697
-0.9721254355400697 x 100 = -97.21%