6.29% is the change from 334 to 355
Calculation steps:
[( 355 - 334 ) ÷ 334] x 100 = 6.29%
Formula
Percentage change = [(355 - 334) / 334] x 100
Subtract the new number by the original number
355 - 334 = 21
21 ÷ 334 = 0.06287425149700598
0.06287425149700598 x 100 = 6.29%