-85.69% is the change from 594 to 85
Calculation steps:
[( 85 - 594 ) ÷ 594] x 100 = -85.69%
Formula
Percentage change = [(85 - 594) / 594] x 100
Subtract the new number by the original number
85 - 594 = -509
-509 ÷ 594 = -0.8569023569023569
-0.8569023569023569 x 100 = -85.69%