5.18% is the change from 521 to 548
Calculation steps:
[( 548 - 521 ) ÷ 521] x 100 = 5.18%
Formula
Percentage change = [(548 - 521) / 521] x 100
Subtract the new number by the original number
548 - 521 = 27
27 ÷ 521 = 0.05182341650671785
0.05182341650671785 x 100 = 5.18%