2.17% is the change from 507 to 518
Calculation steps:
[( 518 - 507 ) ÷ 507] x 100 = 2.17%
Formula
Percentage change = [(518 - 507) / 507] x 100
Subtract the new number by the original number
518 - 507 = 11
11 ÷ 507 = 0.021696252465483234
0.021696252465483234 x 100 = 2.17%