-31.08% is the change from 843 to 581
Calculation steps:
[( 581 - 843 ) ÷ 843] x 100 = -31.08%
Formula
Percentage change = [(581 - 843) / 843] x 100
Subtract the new number by the original number
581 - 843 = -262
-262 ÷ 843 = -0.3107947805456702
-0.3107947805456702 x 100 = -31.08%