273.14% is the change from 242 to 903
Calculation steps:
[( 903 - 242 ) ÷ 242] x 100 = 273.14%
Formula
Percentage change = [(903 - 242) / 242] x 100
Subtract the new number by the original number
903 - 242 = 661
661 ÷ 242 = 2.731404958677686
2.731404958677686 x 100 = 273.14%