-0.18% is the change from 544 to 543
Calculation steps:
[( 543 - 544 ) ÷ 544] x 100 = -0.18%
Formula
Percentage change = [(543 - 544) / 544] x 100
Subtract the new number by the original number
543 - 544 = -1
-1 ÷ 544 = -0.001838235294117647
-0.001838235294117647 x 100 = -0.18%