-40.09% is the change from 858 to 514
Calculation steps:
[( 514 - 858 ) ÷ 858] x 100 = -40.09%
Formula
Percentage change = [(514 - 858) / 858] x 100
Subtract the new number by the original number
514 - 858 = -344
-344 ÷ 858 = -0.40093240093240096
-0.40093240093240096 x 100 = -40.09%