2.7% is the change from 556 to 571
Calculation steps:
[( 571 - 556 ) ÷ 556] x 100 = 2.7%
Formula
Percentage change = [(571 - 556) / 556] x 100
Subtract the new number by the original number
571 - 556 = 15
15 ÷ 556 = 0.02697841726618705
0.02697841726618705 x 100 = 2.7%