-1.48% is the change from 539 to 531
Calculation steps:
[( 531 - 539 ) ÷ 539] x 100 = -1.48%
Formula
Percentage change = [(531 - 539) / 539] x 100
Subtract the new number by the original number
531 - 539 = -8
-8 ÷ 539 = -0.014842300556586271
-0.014842300556586271 x 100 = -1.48%