-3.16% is the change from 885 to 857
Calculation steps:
[( 857 - 885 ) ÷ 885] x 100 = -3.16%
Formula
Percentage change = [(857 - 885) / 885] x 100
Subtract the new number by the original number
857 - 885 = -28
-28 ÷ 885 = -0.031638418079096044
-0.031638418079096044 x 100 = -3.16%