-9.71% is the change from 906 to 818
Calculation steps:
[( 818 - 906 ) ÷ 906] x 100 = -9.71%
Formula
Percentage change = [(818 - 906) / 906] x 100
Subtract the new number by the original number
818 - 906 = -88
-88 ÷ 906 = -0.09713024282560706
-0.09713024282560706 x 100 = -9.71%