-16.43% is the change from 858 to 717
Calculation steps:
[( 717 - 858 ) ÷ 858] x 100 = -16.43%
Formula
Percentage change = [(717 - 858) / 858] x 100
Subtract the new number by the original number
717 - 858 = -141
-141 ÷ 858 = -0.16433566433566432
-0.16433566433566432 x 100 = -16.43%