-26.38% is the change from 580 to 427
Calculation steps:
[( 427 - 580 ) ÷ 580] x 100 = -26.38%
Formula
Percentage change = [(427 - 580) / 580] x 100
Subtract the new number by the original number
427 - 580 = -153
-153 ÷ 580 = -0.2637931034482759
-0.2637931034482759 x 100 = -26.38%