-31.72% is the change from 580 to 396
Calculation steps:
[( 396 - 580 ) ÷ 580] x 100 = -31.72%
Formula
Percentage change = [(396 - 580) / 580] x 100
Subtract the new number by the original number
396 - 580 = -184
-184 ÷ 580 = -0.31724137931034485
-0.31724137931034485 x 100 = -31.72%