-0.96% is the change from 939 to 930
Calculation steps:
[( 930 - 939 ) ÷ 939] x 100 = -0.96%
Formula
Percentage change = [(930 - 939) / 939] x 100
Subtract the new number by the original number
930 - 939 = -9
-9 ÷ 939 = -0.009584664536741214
-0.009584664536741214 x 100 = -0.96%