305.83% is the change from 240 to 974
Calculation steps:
[( 974 - 240 ) ÷ 240] x 100 = 305.83%
Formula
Percentage change = [(974 - 240) / 240] x 100
Subtract the new number by the original number
974 - 240 = 734
734 ÷ 240 = 3.058333333333333
3.058333333333333 x 100 = 305.83%