-1.1% is the change from 544 to 538
Calculation steps:
[( 538 - 544 ) ÷ 544] x 100 = -1.1%
Formula
Percentage change = [(538 - 544) / 544] x 100
Subtract the new number by the original number
538 - 544 = -6
-6 ÷ 544 = -0.011029411764705883
-0.011029411764705883 x 100 = -1.1%