-0.32% is the change from 939 to 936
Calculation steps:
[( 936 - 939 ) ÷ 939] x 100 = -0.32%
Formula
Percentage change = [(936 - 939) / 939] x 100
Subtract the new number by the original number
936 - 939 = -3
-3 ÷ 939 = -0.003194888178913738
-0.003194888178913738 x 100 = -0.32%
Example