-14.91% is the change from 939 to 799
Calculation steps:
[( 799 - 939 ) ÷ 939] x 100 = -14.91%
Formula
Percentage change = [(799 - 939) / 939] x 100
Subtract the new number by the original number
799 - 939 = -140
-140 ÷ 939 = -0.14909478168264112
-0.14909478168264112 x 100 = -14.91%