291.25% is the change from 240 to 939
Calculation steps:
[( 939 - 240 ) ÷ 240] x 100 = 291.25%
Formula
Percentage change = [(939 - 240) / 240] x 100
Subtract the new number by the original number
939 - 240 = 699
699 ÷ 240 = 2.9125
2.9125 x 100 = 291.25%