-2.22% is the change from 901 to 881
Calculation steps:
[( 881 - 901 ) ÷ 901] x 100 = -2.22%
Formula
Percentage change = [(881 - 901) / 901] x 100
Subtract the new number by the original number
881 - 901 = -20
-20 ÷ 901 = -0.022197558268590455
-0.022197558268590455 x 100 = -2.22%