-5.71% is the change from 858 to 809
Calculation steps:
[( 809 - 858 ) ÷ 858] x 100 = -5.71%
Formula
Percentage change = [(809 - 858) / 858] x 100
Subtract the new number by the original number
809 - 858 = -49
-49 ÷ 858 = -0.05710955710955711
-0.05710955710955711 x 100 = -5.71%