20.27% is the change from 518 to 623
Calculation steps:
[( 623 - 518 ) ÷ 518] x 100 = 20.27%
Formula
Percentage change = [(623 - 518) / 518] x 100
Subtract the new number by the original number
623 - 518 = 105
105 ÷ 518 = 0.20270270270270271
0.20270270270270271 x 100 = 20.27%