97.79% is the change from 272 to 538
Calculation steps:
[( 538 - 272 ) ÷ 272] x 100 = 97.79%
Formula
Percentage change = [(538 - 272) / 272] x 100
Subtract the new number by the original number
538 - 272 = 266
266 ÷ 272 = 0.9779411764705882
0.9779411764705882 x 100 = 97.79%