-11.81% is the change from 999 to 881
Calculation steps:
[( 881 - 999 ) ÷ 999] x 100 = -11.81%
Formula
Percentage change = [(881 - 999) / 999] x 100
Subtract the new number by the original number
881 - 999 = -118
-118 ÷ 999 = -0.11811811811811812
-0.11811811811811812 x 100 = -11.81%