29.23% is the change from 349 to 451
Calculation steps:
[( 451 - 349 ) ÷ 349] x 100 = 29.23%
Formula
Percentage change = [(451 - 349) / 349] x 100
Subtract the new number by the original number
451 - 349 = 102
102 ÷ 349 = 0.2922636103151863
0.2922636103151863 x 100 = 29.23%