17.91% is the change from 430 to 507
Calculation steps:
[( 507 - 430 ) ÷ 430] x 100 = 17.91%
Formula
Percentage change = [(507 - 430) / 430] x 100
Subtract the new number by the original number
507 - 430 = 77
77 ÷ 430 = 0.17906976744186046
0.17906976744186046 x 100 = 17.91%