29.48% is the change from 346 to 448
Calculation steps:
[( 448 - 346 ) ÷ 346] x 100 = 29.48%
Formula
Percentage change = [(448 - 346) / 346] x 100
Subtract the new number by the original number
448 - 346 = 102
102 ÷ 346 = 0.2947976878612717
0.2947976878612717 x 100 = 29.48%