23.48% is the change from 328 to 405
Calculation steps:
[( 405 - 328 ) ÷ 328] x 100 = 23.48%
Formula
Percentage change = [(405 - 328) / 328] x 100
Subtract the new number by the original number
405 - 328 = 77
77 ÷ 328 = 0.2347560975609756
0.2347560975609756 x 100 = 23.48%