-8.97% is the change from 580 to 528
Calculation steps:
[( 528 - 580 ) ÷ 580] x 100 = -8.97%
Formula
Percentage change = [(528 - 580) / 580] x 100
Subtract the new number by the original number
528 - 580 = -52
-52 ÷ 580 = -0.0896551724137931
-0.0896551724137931 x 100 = -8.97%