42.07% is the change from 290 to 412
Calculation steps:
[( 412 - 290 ) ÷ 290] x 100 = 42.07%
Formula
Percentage change = [(412 - 290) / 290] x 100
Subtract the new number by the original number
412 - 290 = 122
122 ÷ 290 = 0.4206896551724138
0.4206896551724138 x 100 = 42.07%