2.04% is the change from 538 to 549
Calculation steps:
[( 549 - 538 ) ÷ 538] x 100 = 2.04%
Formula
Percentage change = [(549 - 538) / 538] x 100
Subtract the new number by the original number
549 - 538 = 11
11 ÷ 538 = 0.020446096654275093
0.020446096654275093 x 100 = 2.04%