42.06% is the change from 233 to 331
Calculation steps:
[( 331 - 233 ) ÷ 233] x 100 = 42.06%
Formula
Percentage change = [(331 - 233) / 233] x 100
Subtract the new number by the original number
331 - 233 = 98
98 ÷ 233 = 0.4206008583690987
0.4206008583690987 x 100 = 42.06%