49.65% is the change from 429 to 642
Calculation steps:
[( 642 - 429 ) ÷ 429] x 100 = 49.65%
Formula
Percentage change = [(642 - 429) / 429] x 100
Subtract the new number by the original number
642 - 429 = 213
213 ÷ 429 = 0.4965034965034965
0.4965034965034965 x 100 = 49.65%