209.58% is the change from 240 to 743
Calculation steps:
[( 743 - 240 ) ÷ 240] x 100 = 209.58%
Formula
Percentage change = [(743 - 240) / 240] x 100
Subtract the new number by the original number
743 - 240 = 503
503 ÷ 240 = 2.095833333333333
2.095833333333333 x 100 = 209.58%