-16.38% is the change from 580 to 485
Calculation steps:
[( 485 - 580 ) ÷ 580] x 100 = -16.38%
Formula
Percentage change = [(485 - 580) / 580] x 100
Subtract the new number by the original number
485 - 580 = -95
-95 ÷ 580 = -0.16379310344827586
-0.16379310344827586 x 100 = -16.38%