-7.73% is the change from 906 to 836
Calculation steps:
[( 836 - 906 ) ÷ 906] x 100 = -7.73%
Formula
Percentage change = [(836 - 906) / 906] x 100
Subtract the new number by the original number
836 - 906 = -70
-70 ÷ 906 = -0.0772626931567329
-0.0772626931567329 x 100 = -7.73%