19.64% is the change from 331 to 396
Calculation steps:
[( 396 - 331 ) ÷ 331] x 100 = 19.64%
Formula
Percentage change = [(396 - 331) / 331] x 100
Subtract the new number by the original number
396 - 331 = 65
65 ÷ 331 = 0.19637462235649547
0.19637462235649547 x 100 = 19.64%