-8.47% is the change from 885 to 810
Calculation steps:
[( 810 - 885 ) ÷ 885] x 100 = -8.47%
Formula
Percentage change = [(810 - 885) / 885] x 100
Subtract the new number by the original number
810 - 885 = -75
-75 ÷ 885 = -0.0847457627118644
-0.0847457627118644 x 100 = -8.47%