123.14% is the change from 242 to 540
Calculation steps:
[( 540 - 242 ) ÷ 242] x 100 = 123.14%
Formula
Percentage change = [(540 - 242) / 242] x 100
Subtract the new number by the original number
540 - 242 = 298
298 ÷ 242 = 1.2314049586776858
1.2314049586776858 x 100 = 123.14%