34.58% is the change from 240 to 323
Calculation steps:
[( 323 - 240 ) ÷ 240] x 100 = 34.58%
Formula
Percentage change = [(323 - 240) / 240] x 100
Subtract the new number by the original number
323 - 240 = 83
83 ÷ 240 = 0.3458333333333333
0.3458333333333333 x 100 = 34.58%