30.37% is the change from 349 to 455
Calculation steps:
[( 455 - 349 ) ÷ 349] x 100 = 30.37%
Formula
Percentage change = [(455 - 349) / 349] x 100
Subtract the new number by the original number
455 - 349 = 106
106 ÷ 349 = 0.3037249283667622
0.3037249283667622 x 100 = 30.37%