30.42% is the change from 240 to 313
Calculation steps:
[( 313 - 240 ) ÷ 240] x 100 = 30.42%
Formula
Percentage change = [(313 - 240) / 240] x 100
Subtract the new number by the original number
313 - 240 = 73
73 ÷ 240 = 0.30416666666666664
0.30416666666666664 x 100 = 30.42%