-2.33% is the change from 902 to 881
Calculation steps:
[( 881 - 902 ) ÷ 902] x 100 = -2.33%
Formula
Percentage change = [(881 - 902) / 902] x 100
Subtract the new number by the original number
881 - 902 = -21
-21 ÷ 902 = -0.02328159645232816
-0.02328159645232816 x 100 = -2.33%