7.74% is the change from 504 to 543
Calculation steps:
[( 543 - 504 ) ÷ 504] x 100 = 7.74%
Formula
Percentage change = [(543 - 504) / 504] x 100
Subtract the new number by the original number
543 - 504 = 39
39 ÷ 504 = 0.07738095238095238
0.07738095238095238 x 100 = 7.74%