40.85% is the change from 235 to 331
Calculation steps:
[( 331 - 235 ) ÷ 235] x 100 = 40.85%
Formula
Percentage change = [(331 - 235) / 235] x 100
Subtract the new number by the original number
331 - 235 = 96
96 ÷ 235 = 0.4085106382978723
0.4085106382978723 x 100 = 40.85%