17.05% is the change from 434 to 508
Calculation steps:
[( 508 - 434 ) ÷ 434] x 100 = 17.05%
Formula
Percentage change = [(508 - 434) / 434] x 100
Subtract the new number by the original number
508 - 434 = 74
74 ÷ 434 = 0.17050691244239632
0.17050691244239632 x 100 = 17.05%