-48.28% is the change from 580 to 300
Calculation steps:
[( 300 - 580 ) ÷ 580] x 100 = -48.28%
Formula
Percentage change = [(300 - 580) / 580] x 100
Subtract the new number by the original number
300 - 580 = -280
-280 ÷ 580 = -0.4827586206896552
-0.4827586206896552 x 100 = -48.28%