50.69% is the change from 290 to 437
Calculation steps:
[( 437 - 290 ) ÷ 290] x 100 = 50.69%
Formula
Percentage change = [(437 - 290) / 290] x 100
Subtract the new number by the original number
437 - 290 = 147
147 ÷ 290 = 0.506896551724138
0.506896551724138 x 100 = 50.69%