42.42% is the change from 231 to 329
Calculation steps:
[( 329 - 231 ) ÷ 231] x 100 = 42.42%
Formula
Percentage change = [(329 - 231) / 231] x 100
Subtract the new number by the original number
329 - 231 = 98
98 ÷ 231 = 0.42424242424242425
0.42424242424242425 x 100 = 42.42%