8.73% is the change from 504 to 548
Calculation steps:
[( 548 - 504 ) ÷ 504] x 100 = 8.73%
Formula
Percentage change = [(548 - 504) / 504] x 100
Subtract the new number by the original number
548 - 504 = 44
44 ÷ 504 = 0.0873015873015873
0.0873015873015873 x 100 = 8.73%