-2.7% is the change from 556 to 541
Calculation steps:
[( 541 - 556 ) ÷ 556] x 100 = -2.7%
Formula
Percentage change = [(541 - 556) / 556] x 100
Subtract the new number by the original number
541 - 556 = -15
-15 ÷ 556 = -0.02697841726618705
-0.02697841726618705 x 100 = -2.7%