-85.57% is the change from 589 to 85
Calculation steps:
[( 85 - 589 ) ÷ 589] x 100 = -85.57%
Formula
Percentage change = [(85 - 589) / 589] x 100
Subtract the new number by the original number
85 - 589 = -504
-504 ÷ 589 = -0.8556876061120543
-0.8556876061120543 x 100 = -85.57%