-0.9% is the change from 554 to 549
Calculation steps:
[( 549 - 554 ) ÷ 554] x 100 = -0.9%
Formula
Percentage change = [(549 - 554) / 554] x 100
Subtract the new number by the original number
549 - 554 = -5
-5 ÷ 554 = -0.009025270758122744
-0.009025270758122744 x 100 = -0.9%