9.36% is the change from 502 to 549
Calculation steps:
[( 549 - 502 ) ÷ 502] x 100 = 9.36%
Formula
Percentage change = [(549 - 502) / 502] x 100
Subtract the new number by the original number
549 - 502 = 47
47 ÷ 502 = 0.09362549800796813
0.09362549800796813 x 100 = 9.36%