64.48% is the change from 290 to 477
Calculation steps:
[( 477 - 290 ) ÷ 290] x 100 = 64.48%
Formula
Percentage change = [(477 - 290) / 290] x 100
Subtract the new number by the original number
477 - 290 = 187
187 ÷ 290 = 0.6448275862068965
0.6448275862068965 x 100 = 64.48%