19.07% is the change from 430 to 512
Calculation steps:
[( 512 - 430 ) ÷ 430] x 100 = 19.07%
Formula
Percentage change = [(512 - 430) / 430] x 100
Subtract the new number by the original number
512 - 430 = 82
82 ÷ 430 = 0.19069767441860466
0.19069767441860466 x 100 = 19.07%