108.75% is the change from 240 to 501
Calculation steps:
[( 501 - 240 ) ÷ 240] x 100 = 108.75%
Formula
Percentage change = [(501 - 240) / 240] x 100
Subtract the new number by the original number
501 - 240 = 261
261 ÷ 240 = 1.0875
1.0875 x 100 = 108.75%