-53.62% is the change from 843 to 391
Calculation steps:
[( 391 - 843 ) ÷ 843] x 100 = -53.62%
Formula
Percentage change = [(391 - 843) / 843] x 100
Subtract the new number by the original number
391 - 843 = -452
-452 ÷ 843 = -0.5361803084223014
-0.5361803084223014 x 100 = -53.62%