107.08% is the change from 240 to 497
Calculation steps:
[( 497 - 240 ) ÷ 240] x 100 = 107.08%
Formula
Percentage change = [(497 - 240) / 240] x 100
Subtract the new number by the original number
497 - 240 = 257
257 ÷ 240 = 1.0708333333333333
1.0708333333333333 x 100 = 107.08%