-11.93% is the change from 939 to 827
Calculation steps:
[( 827 - 939 ) ÷ 939] x 100 = -11.93%
Formula
Percentage change = [(827 - 939) / 939] x 100
Subtract the new number by the original number
827 - 939 = -112
-112 ÷ 939 = -0.11927582534611289
-0.11927582534611289 x 100 = -11.93%