29.61% is the change from 331 to 429
Calculation steps:
[( 429 - 331 ) ÷ 331] x 100 = 29.61%
Formula
Percentage change = [(429 - 331) / 331] x 100
Subtract the new number by the original number
429 - 331 = 98
98 ÷ 331 = 0.29607250755287007
0.29607250755287007 x 100 = 29.61%