34.48% is the change from 319 to 429
Calculation steps:
[( 429 - 319 ) ÷ 319] x 100 = 34.48%
Formula
Percentage change = [(429 - 319) / 319] x 100
Subtract the new number by the original number
429 - 319 = 110
110 ÷ 319 = 0.3448275862068966
0.3448275862068966 x 100 = 34.48%