-2.27% is the change from 881 to 861
Calculation steps:
[( 861 - 881 ) ÷ 881] x 100 = -2.27%
Formula
Percentage change = [(861 - 881) / 881] x 100
Subtract the new number by the original number
861 - 881 = -20
-20 ÷ 881 = -0.022701475595913734
-0.022701475595913734 x 100 = -2.27%