-0.11% is the change from 939 to 938
Calculation steps:
[( 938 - 939 ) ÷ 939] x 100 = -0.11%
Formula
Percentage change = [(938 - 939) / 939] x 100
Subtract the new number by the original number
938 - 939 = -1
-1 ÷ 939 = -0.0010649627263045794
-0.0010649627263045794 x 100 = -0.11%