-98.63% is the change from 582 to 8
Calculation steps:
[( 8 - 582 ) ÷ 582] x 100 = -98.63%
Formula
Percentage change = [(8 - 582) / 582] x 100
Subtract the new number by the original number
8 - 582 = -574
-574 ÷ 582 = -0.9862542955326461
-0.9862542955326461 x 100 = -98.63%