-6.64% is the change from 587 to 548
Calculation steps:
[( 548 - 587 ) ÷ 587] x 100 = -6.64%
Formula
Percentage change = [(548 - 587) / 587] x 100
Subtract the new number by the original number
548 - 587 = -39
-39 ÷ 587 = -0.06643952299829642
-0.06643952299829642 x 100 = -6.64%