-6.48% is the change from 586 to 548
Calculation steps:
[( 548 - 586 ) ÷ 586] x 100 = -6.48%
Formula
Percentage change = [(548 - 586) / 586] x 100
Subtract the new number by the original number
548 - 586 = -38
-38 ÷ 586 = -0.06484641638225255
-0.06484641638225255 x 100 = -6.48%