-9.88% is the change from 901 to 812
Calculation steps:
[( 812 - 901 ) ÷ 901] x 100 = -9.88%
Formula
Percentage change = [(812 - 901) / 901] x 100
Subtract the new number by the original number
812 - 901 = -89
-89 ÷ 901 = -0.09877913429522753
-0.09877913429522753 x 100 = -9.88%