-41.72% is the change from 580 to 338
Calculation steps:
[( 338 - 580 ) ÷ 580] x 100 = -41.72%
Formula
Percentage change = [(338 - 580) / 580] x 100
Subtract the new number by the original number
338 - 580 = -242
-242 ÷ 580 = -0.41724137931034483
-0.41724137931034483 x 100 = -41.72%