-9.98% is the change from 902 to 812
Calculation steps:
[( 812 - 902 ) ÷ 902] x 100 = -9.98%
Formula
Percentage change = [(812 - 902) / 902] x 100
Subtract the new number by the original number
812 - 902 = -90
-90 ÷ 902 = -0.09977827050997783
-0.09977827050997783 x 100 = -9.98%