-3.16% is the change from 886 to 858
Calculation steps:
[( 858 - 886 ) ÷ 886] x 100 = -3.16%
Formula
Percentage change = [(858 - 886) / 886] x 100
Subtract the new number by the original number
858 - 886 = -28
-28 ÷ 886 = -0.03160270880361174
-0.03160270880361174 x 100 = -3.16%