16.59% is the change from 434 to 506
Calculation steps:
[( 506 - 434 ) ÷ 434] x 100 = 16.59%
Formula
Percentage change = [(506 - 434) / 434] x 100
Subtract the new number by the original number
506 - 434 = 72
72 ÷ 434 = 0.16589861751152074
0.16589861751152074 x 100 = 16.59%