3.65% is the change from 548 to 568
Calculation steps:
[( 568 - 548 ) ÷ 548] x 100 = 3.65%
Formula
Percentage change = [(568 - 548) / 548] x 100
Subtract the new number by the original number
568 - 548 = 20
20 ÷ 548 = 0.0364963503649635
0.0364963503649635 x 100 = 3.65%