115.42% is the change from 240 to 517
Calculation steps:
[( 517 - 240 ) ÷ 240] x 100 = 115.42%
Formula
Percentage change = [(517 - 240) / 240] x 100
Subtract the new number by the original number
517 - 240 = 277
277 ÷ 240 = 1.1541666666666666
1.1541666666666666 x 100 = 115.42%