21.26% is the change from 334 to 405
Calculation steps:
[( 405 - 334 ) ÷ 334] x 100 = 21.26%
Formula
Percentage change = [(405 - 334) / 334] x 100
Subtract the new number by the original number
405 - 334 = 71
71 ÷ 334 = 0.2125748502994012
0.2125748502994012 x 100 = 21.26%