29.84% is the change from 305 to 396
Calculation steps:
[( 396 - 305 ) ÷ 305] x 100 = 29.84%
Formula
Percentage change = [(396 - 305) / 305] x 100
Subtract the new number by the original number
396 - 305 = 91
91 ÷ 305 = 0.2983606557377049
0.2983606557377049 x 100 = 29.84%