30.56% is the change from 252 to 329
Calculation steps:
[( 329 - 252 ) ÷ 252] x 100 = 30.56%
Formula
Percentage change = [(329 - 252) / 252] x 100
Subtract the new number by the original number
329 - 252 = 77
77 ÷ 252 = 0.3055555555555556
0.3055555555555556 x 100 = 30.56%