111.25% is the change from 240 to 507
Calculation steps:
[( 507 - 240 ) ÷ 240] x 100 = 111.25%
Formula
Percentage change = [(507 - 240) / 240] x 100
Subtract the new number by the original number
507 - 240 = 267
267 ÷ 240 = 1.1125
1.1125 x 100 = 111.25%