-1.62% is the change from 554 to 545
Calculation steps:
[( 545 - 554 ) ÷ 554] x 100 = -1.62%
Formula
Percentage change = [(545 - 554) / 554] x 100
Subtract the new number by the original number
545 - 554 = -9
-9 ÷ 554 = -0.016245487364620937
-0.016245487364620937 x 100 = -1.62%