-29.89% is the change from 843 to 591
Calculation steps:
[( 591 - 843 ) ÷ 843] x 100 = -29.89%
Formula
Percentage change = [(591 - 843) / 843] x 100
Subtract the new number by the original number
591 - 843 = -252
-252 ÷ 843 = -0.298932384341637
-0.298932384341637 x 100 = -29.89%