81.25% is the change from 272 to 493
Calculation steps:
[( 493 - 272 ) ÷ 272] x 100 = 81.25%
Formula
Percentage change = [(493 - 272) / 272] x 100
Subtract the new number by the original number
493 - 272 = 221
221 ÷ 272 = 0.8125
0.8125 x 100 = 81.25%