-98.62% is the change from 579 to 8
Calculation steps:
[( 8 - 579 ) ÷ 579] x 100 = -98.62%
Formula
Percentage change = [(8 - 579) / 579] x 100
Subtract the new number by the original number
8 - 579 = -571
-571 ÷ 579 = -0.9861830742659758
-0.9861830742659758 x 100 = -98.62%