9.47% is the change from 507 to 555
Calculation steps:
[( 555 - 507 ) ÷ 507] x 100 = 9.47%
Formula
Percentage change = [(555 - 507) / 507] x 100
Subtract the new number by the original number
555 - 507 = 48
48 ÷ 507 = 0.09467455621301775
0.09467455621301775 x 100 = 9.47%