34.5% is the change from 429 to 577
Calculation steps:
[( 577 - 429 ) ÷ 429] x 100 = 34.5%
Formula
Percentage change = [(577 - 429) / 429] x 100
Subtract the new number by the original number
577 - 429 = 148
148 ÷ 429 = 0.34498834498834496
0.34498834498834496 x 100 = 34.5%