-98.97% is the change from 580 to 6
Calculation steps:
[( 6 - 580 ) ÷ 580] x 100 = -98.97%
Formula
Percentage change = [(6 - 580) / 580] x 100
Subtract the new number by the original number
6 - 580 = -574
-574 ÷ 580 = -0.9896551724137931
-0.9896551724137931 x 100 = -98.97%