18.81% is the change from 436 to 518
Calculation steps:
[( 518 - 436 ) ÷ 436] x 100 = 18.81%
Formula
Percentage change = [(518 - 436) / 436] x 100
Subtract the new number by the original number
518 - 436 = 82
82 ÷ 436 = 0.18807339449541285
0.18807339449541285 x 100 = 18.81%