-5.03% is the change from 577 to 548
Calculation steps:
[( 548 - 577 ) ÷ 577] x 100 = -5.03%
Formula
Percentage change = [(548 - 577) / 577] x 100
Subtract the new number by the original number
548 - 577 = -29
-29 ÷ 577 = -0.05025996533795494
-0.05025996533795494 x 100 = -5.03%