28.57% is the change from 329 to 423
Calculation steps:
[( 423 - 329 ) ÷ 329] x 100 = 28.57%
Formula
Percentage change = [(423 - 329) / 329] x 100
Subtract the new number by the original number
423 - 329 = 94
94 ÷ 329 = 0.2857142857142857
0.2857142857142857 x 100 = 28.57%