67.28% is the change from 272 to 455
Calculation steps:
[( 455 - 272 ) ÷ 272] x 100 = 67.28%
Formula
Percentage change = [(455 - 272) / 272] x 100
Subtract the new number by the original number
455 - 272 = 183
183 ÷ 272 = 0.6727941176470589
0.6727941176470589 x 100 = 67.28%