-0.19% is the change from 540 to 539
Calculation steps:
[( 539 - 540 ) ÷ 540] x 100 = -0.19%
Formula
Percentage change = [(539 - 540) / 540] x 100
Subtract the new number by the original number
539 - 540 = -1
-1 ÷ 540 = -0.001851851851851852
-0.001851851851851852 x 100 = -0.19%