-1.3% is the change from 539 to 532
Calculation steps:
[( 532 - 539 ) ÷ 539] x 100 = -1.3%
Formula
Percentage change = [(532 - 539) / 539] x 100
Subtract the new number by the original number
532 - 539 = -7
-7 ÷ 539 = -0.012987012987012988
-0.012987012987012988 x 100 = -1.3%