33.64% is the change from 321 to 429
Calculation steps:
[( 429 - 321 ) ÷ 321] x 100 = 33.64%
Formula
Percentage change = [(429 - 321) / 321] x 100
Subtract the new number by the original number
429 - 321 = 108
108 ÷ 321 = 0.3364485981308411
0.3364485981308411 x 100 = 33.64%