-0.56% is the change from 540 to 537
Calculation steps:
[( 537 - 540 ) ÷ 540] x 100 = -0.56%
Formula
Percentage change = [(537 - 540) / 540] x 100
Subtract the new number by the original number
537 - 540 = -3
-3 ÷ 540 = -0.005555555555555556
-0.005555555555555556 x 100 = -0.56%