-49.88% is the change from 858 to 430
Calculation steps:
[( 430 - 858 ) ÷ 858] x 100 = -49.88%
Formula
Percentage change = [(430 - 858) / 858] x 100
Subtract the new number by the original number
430 - 858 = -428
-428 ÷ 858 = -0.4988344988344988
-0.4988344988344988 x 100 = -49.88%