-8.51% is the change from 858 to 785
Calculation steps:
[( 785 - 858 ) ÷ 858] x 100 = -8.51%
Formula
Percentage change = [(785 - 858) / 858] x 100
Subtract the new number by the original number
785 - 858 = -73
-73 ÷ 858 = -0.08508158508158509
-0.08508158508158509 x 100 = -8.51%