-1.04% is the change from 867 to 858
Calculation steps:
[( 858 - 867 ) ÷ 867] x 100 = -1.04%
Formula
Percentage change = [(858 - 867) / 867] x 100
Subtract the new number by the original number
858 - 867 = -9
-9 ÷ 867 = -0.010380622837370242
-0.010380622837370242 x 100 = -1.04%