-2.72% is the change from 881 to 857
Calculation steps:
[( 857 - 881 ) ÷ 881] x 100 = -2.72%
Formula
Percentage change = [(857 - 881) / 881] x 100
Subtract the new number by the original number
857 - 881 = -24
-24 ÷ 881 = -0.02724177071509648
-0.02724177071509648 x 100 = -2.72%