55.71% is the change from 429 to 668
Calculation steps:
[( 668 - 429 ) ÷ 429] x 100 = 55.71%
Formula
Percentage change = [(668 - 429) / 429] x 100
Subtract the new number by the original number
668 - 429 = 239
239 ÷ 429 = 0.5571095571095571
0.5571095571095571 x 100 = 55.71%