-69.83% is the change from 580 to 175
Calculation steps:
[( 175 - 580 ) ÷ 580] x 100 = -69.83%
Formula
Percentage change = [(175 - 580) / 580] x 100
Subtract the new number by the original number
175 - 580 = -405
-405 ÷ 580 = -0.6982758620689655
-0.6982758620689655 x 100 = -69.83%