19.35% is the change from 429 to 512
Calculation steps:
[( 512 - 429 ) ÷ 429] x 100 = 19.35%
Formula
Percentage change = [(512 - 429) / 429] x 100
Subtract the new number by the original number
512 - 429 = 83
83 ÷ 429 = 0.19347319347319347
0.19347319347319347 x 100 = 19.35%