3.79% is the change from 528 to 548
Calculation steps:
[( 548 - 528 ) ÷ 528] x 100 = 3.79%
Formula
Percentage change = [(548 - 528) / 528] x 100
Subtract the new number by the original number
548 - 528 = 20
20 ÷ 528 = 0.03787878787878788
0.03787878787878788 x 100 = 3.79%