155.17% is the change from 290 to 740
Calculation steps:
[( 740 - 290 ) ÷ 290] x 100 = 155.17%
Formula
Percentage change = [(740 - 290) / 290] x 100
Subtract the new number by the original number
740 - 290 = 450
450 ÷ 290 = 1.5517241379310345
1.5517241379310345 x 100 = 155.17%