-98.73% is the change from 711 to 9
Calculation steps:
[( 9 - 711 ) ÷ 711] x 100 = -98.73%
Formula
Percentage change = [(9 - 711) / 711] x 100
Subtract the new number by the original number
9 - 711 = -702
-702 ÷ 711 = -0.9873417721518988
-0.9873417721518988 x 100 = -98.73%