8.93% is the change from 504 to 549
Calculation steps:
[( 549 - 504 ) ÷ 504] x 100 = 8.93%
Formula
Percentage change = [(549 - 504) / 504] x 100
Subtract the new number by the original number
549 - 504 = 45
45 ÷ 504 = 0.08928571428571429
0.08928571428571429 x 100 = 8.93%