-85.13% is the change from 585 to 87
Calculation steps:
[( 87 - 585 ) ÷ 585] x 100 = -85.13%
Formula
Percentage change = [(87 - 585) / 585] x 100
Subtract the new number by the original number
87 - 585 = -498
-498 ÷ 585 = -0.8512820512820513
-0.8512820512820513 x 100 = -85.13%