49.63% is the change from 272 to 407
Calculation steps:
[( 407 - 272 ) ÷ 272] x 100 = 49.63%
Formula
Percentage change = [(407 - 272) / 272] x 100
Subtract the new number by the original number
407 - 272 = 135
135 ÷ 272 = 0.4963235294117647
0.4963235294117647 x 100 = 49.63%