19.35% is the change from 434 to 518
Calculation steps:
[( 518 - 434 ) ÷ 434] x 100 = 19.35%
Formula
Percentage change = [(518 - 434) / 434] x 100
Subtract the new number by the original number
518 - 434 = 84
84 ÷ 434 = 0.1935483870967742
0.1935483870967742 x 100 = 19.35%