-5.52% is the change from 580 to 548
Calculation steps:
[( 548 - 580 ) ÷ 580] x 100 = -5.52%
Formula
Percentage change = [(548 - 580) / 580] x 100
Subtract the new number by the original number
548 - 580 = -32
-32 ÷ 580 = -0.05517241379310345
-0.05517241379310345 x 100 = -5.52%