-28.09% is the change from 858 to 617
Calculation steps:
[( 617 - 858 ) ÷ 858] x 100 = -28.09%
Formula
Percentage change = [(617 - 858) / 858] x 100
Subtract the new number by the original number
617 - 858 = -241
-241 ÷ 858 = -0.28088578088578087
-0.28088578088578087 x 100 = -28.09%