-81.16% is the change from 881 to 166
Calculation steps:
[( 166 - 881 ) ÷ 881] x 100 = -81.16%
Formula
Percentage change = [(166 - 881) / 881] x 100
Subtract the new number by the original number
166 - 881 = -715
-715 ÷ 881 = -0.811577752553916
-0.811577752553916 x 100 = -81.16%