2.02% is the change from 545 to 556
Calculation steps:
[( 556 - 545 ) ÷ 545] x 100 = 2.02%
Formula
Percentage change = [(556 - 545) / 545] x 100
Subtract the new number by the original number
556 - 545 = 11
11 ÷ 545 = 0.02018348623853211
0.02018348623853211 x 100 = 2.02%