54.83% is the change from 290 to 449
Calculation steps:
[( 449 - 290 ) ÷ 290] x 100 = 54.83%
Formula
Percentage change = [(449 - 290) / 290] x 100
Subtract the new number by the original number
449 - 290 = 159
159 ÷ 290 = 0.5482758620689655
0.5482758620689655 x 100 = 54.83%