28.31% is the change from 272 to 349
Calculation steps:
[( 349 - 272 ) ÷ 272] x 100 = 28.31%
Formula
Percentage change = [(349 - 272) / 272] x 100
Subtract the new number by the original number
349 - 272 = 77
77 ÷ 272 = 0.28308823529411764
0.28308823529411764 x 100 = 28.31%