-7.93% is the change from 858 to 790
Calculation steps:
[( 790 - 858 ) ÷ 858] x 100 = -7.93%
Formula
Percentage change = [(790 - 858) / 858] x 100
Subtract the new number by the original number
790 - 858 = -68
-68 ÷ 858 = -0.07925407925407925
-0.07925407925407925 x 100 = -7.93%