31.39% is the change from 548 to 720
Calculation steps:
[( 720 - 548 ) ÷ 548] x 100 = 31.39%
Formula
Percentage change = [(720 - 548) / 548] x 100
Subtract the new number by the original number
720 - 548 = 172
172 ÷ 548 = 0.31386861313868614
0.31386861313868614 x 100 = 31.39%