19.08% is the change from 435 to 518
Calculation steps:
[( 518 - 435 ) ÷ 435] x 100 = 19.08%
Formula
Percentage change = [(518 - 435) / 435] x 100
Subtract the new number by the original number
518 - 435 = 83
83 ÷ 435 = 0.19080459770114944
0.19080459770114944 x 100 = 19.08%