19.11% is the change from 429 to 511
Calculation steps:
[( 511 - 429 ) ÷ 429] x 100 = 19.11%
Formula
Percentage change = [(511 - 429) / 429] x 100
Subtract the new number by the original number
511 - 429 = 82
82 ÷ 429 = 0.19114219114219114
0.19114219114219114 x 100 = 19.11%