-50.42% is the change from 843 to 418
Calculation steps:
[( 418 - 843 ) ÷ 843] x 100 = -50.42%
Formula
Percentage change = [(418 - 843) / 843] x 100
Subtract the new number by the original number
418 - 843 = -425
-425 ÷ 843 = -0.5041518386714117
-0.5041518386714117 x 100 = -50.42%