-30.49% is the change from 843 to 586
Calculation steps:
[( 586 - 843 ) ÷ 843] x 100 = -30.49%
Formula
Percentage change = [(586 - 843) / 843] x 100
Subtract the new number by the original number
586 - 843 = -257
-257 ÷ 843 = -0.30486358244365364
-0.30486358244365364 x 100 = -30.49%