-98.74% is the change from 717 to 9
Calculation steps:
[( 9 - 717 ) ÷ 717] x 100 = -98.74%
Formula
Percentage change = [(9 - 717) / 717] x 100
Subtract the new number by the original number
9 - 717 = -708
-708 ÷ 717 = -0.9874476987447699
-0.9874476987447699 x 100 = -98.74%