-40.21% is the change from 858 to 513
Calculation steps:
[( 513 - 858 ) ÷ 858] x 100 = -40.21%
Formula
Percentage change = [(513 - 858) / 858] x 100
Subtract the new number by the original number
513 - 858 = -345
-345 ÷ 858 = -0.4020979020979021
-0.4020979020979021 x 100 = -40.21%