-98.8% is the change from 752 to 9
Calculation steps:
[( 9 - 752 ) ÷ 752] x 100 = -98.8%
Formula
Percentage change = [(9 - 752) / 752] x 100
Subtract the new number by the original number
9 - 752 = -743
-743 ÷ 752 = -0.988031914893617
-0.988031914893617 x 100 = -98.8%