-74.14% is the change from 580 to 150
Calculation steps:
[( 150 - 580 ) ÷ 580] x 100 = -74.14%
Formula
Percentage change = [(150 - 580) / 580] x 100
Subtract the new number by the original number
150 - 580 = -430
-430 ÷ 580 = -0.7413793103448276
-0.7413793103448276 x 100 = -74.14%