-98.88% is the change from 717 to 8
Calculation steps:
[( 8 - 717 ) ÷ 717] x 100 = -98.88%
Formula
Percentage change = [(8 - 717) / 717] x 100
Subtract the new number by the original number
8 - 717 = -709
-709 ÷ 717 = -0.9888423988842399
-0.9888423988842399 x 100 = -98.88%