-7.83% is the change from 907 to 836
Calculation steps:
[( 836 - 907 ) ÷ 907] x 100 = -7.83%
Formula
Percentage change = [(836 - 907) / 907] x 100
Subtract the new number by the original number
836 - 907 = -71
-71 ÷ 907 = -0.0782800441014333
-0.0782800441014333 x 100 = -7.83%