56.55% is the change from 290 to 454
Calculation steps:
[( 454 - 290 ) ÷ 290] x 100 = 56.55%
Formula
Percentage change = [(454 - 290) / 290] x 100
Subtract the new number by the original number
454 - 290 = 164
164 ÷ 290 = 0.5655172413793104
0.5655172413793104 x 100 = 56.55%