-72.93% is the change from 580 to 157
Calculation steps:
[( 157 - 580 ) ÷ 580] x 100 = -72.93%
Formula
Percentage change = [(157 - 580) / 580] x 100
Subtract the new number by the original number
157 - 580 = -423
-423 ÷ 580 = -0.7293103448275862
-0.7293103448275862 x 100 = -72.93%