-87.57% is the change from 861 to 107
Calculation steps:
[( 107 - 861 ) ÷ 861] x 100 = -87.57%
Formula
Percentage change = [(107 - 861) / 861] x 100
Subtract the new number by the original number
107 - 861 = -754
-754 ÷ 861 = -0.875725900116144
-0.875725900116144 x 100 = -87.57%