29.51% is the change from 349 to 452
Calculation steps:
[( 452 - 349 ) ÷ 349] x 100 = 29.51%
Formula
Percentage change = [(452 - 349) / 349] x 100
Subtract the new number by the original number
452 - 349 = 103
103 ÷ 349 = 0.29512893982808025
0.29512893982808025 x 100 = 29.51%