22.46% is the change from 334 to 409
Calculation steps:
[( 409 - 334 ) ÷ 334] x 100 = 22.46%
Formula
Percentage change = [(409 - 334) / 334] x 100
Subtract the new number by the original number
409 - 334 = 75
75 ÷ 334 = 0.2245508982035928
0.2245508982035928 x 100 = 22.46%