-30.34% is the change from 580 to 404
Calculation steps:
[( 404 - 580 ) ÷ 580] x 100 = -30.34%
Formula
Percentage change = [(404 - 580) / 580] x 100
Subtract the new number by the original number
404 - 580 = -176
-176 ÷ 580 = -0.30344827586206896
-0.30344827586206896 x 100 = -30.34%