-85.52% is the change from 587 to 85
Calculation steps:
[( 85 - 587 ) ÷ 587] x 100 = -85.52%
Formula
Percentage change = [(85 - 587) / 587] x 100
Subtract the new number by the original number
85 - 587 = -502
-502 ÷ 587 = -0.8551959114139693
-0.8551959114139693 x 100 = -85.52%