-90.85% is the change from 885 to 81
Calculation steps:
[( 81 - 885 ) ÷ 885] x 100 = -90.85%
Formula
Percentage change = [(81 - 885) / 885] x 100
Subtract the new number by the original number
81 - 885 = -804
-804 ÷ 885 = -0.9084745762711864
-0.9084745762711864 x 100 = -90.85%