-0.37% is the change from 545 to 543
Calculation steps:
[( 543 - 545 ) ÷ 545] x 100 = -0.37%
Formula
Percentage change = [(543 - 545) / 545] x 100
Subtract the new number by the original number
543 - 545 = -2
-2 ÷ 545 = -0.003669724770642202
-0.003669724770642202 x 100 = -0.37%