68.01% is the change from 272 to 457
Calculation steps:
[( 457 - 272 ) ÷ 272] x 100 = 68.01%
Formula
Percentage change = [(457 - 272) / 272] x 100
Subtract the new number by the original number
457 - 272 = 185
185 ÷ 272 = 0.6801470588235294
0.6801470588235294 x 100 = 68.01%