-50.53% is the change from 843 to 417
Calculation steps:
[( 417 - 843 ) ÷ 843] x 100 = -50.53%
Formula
Percentage change = [(417 - 843) / 843] x 100
Subtract the new number by the original number
417 - 843 = -426
-426 ÷ 843 = -0.505338078291815
-0.505338078291815 x 100 = -50.53%