-85.22% is the change from 582 to 86
Calculation steps:
[( 86 - 582 ) ÷ 582] x 100 = -85.22%
Formula
Percentage change = [(86 - 582) / 582] x 100
Subtract the new number by the original number
86 - 582 = -496
-496 ÷ 582 = -0.852233676975945
-0.852233676975945 x 100 = -85.22%