-1.26% is the change from 556 to 549
Calculation steps:
[( 549 - 556 ) ÷ 556] x 100 = -1.26%
Formula
Percentage change = [(549 - 556) / 556] x 100
Subtract the new number by the original number
549 - 556 = -7
-7 ÷ 556 = -0.012589928057553957
-0.012589928057553957 x 100 = -1.26%