77.24% is the change from 290 to 514
Calculation steps:
[( 514 - 290 ) ÷ 290] x 100 = 77.24%
Formula
Percentage change = [(514 - 290) / 290] x 100
Subtract the new number by the original number
514 - 290 = 224
224 ÷ 290 = 0.7724137931034483
0.7724137931034483 x 100 = 77.24%