-1.17% is the change from 939 to 928
Calculation steps:
[( 928 - 939 ) ÷ 939] x 100 = -1.17%
Formula
Percentage change = [(928 - 939) / 939] x 100
Subtract the new number by the original number
928 - 939 = -11
-11 ÷ 939 = -0.011714589989350373
-0.011714589989350373 x 100 = -1.17%