-85.91% is the change from 589 to 83
Calculation steps:
[( 83 - 589 ) ÷ 589] x 100 = -85.91%
Formula
Percentage change = [(83 - 589) / 589] x 100
Subtract the new number by the original number
83 - 589 = -506
-506 ÷ 589 = -0.8590831918505942
-0.8590831918505942 x 100 = -85.91%