-14.38% is the change from 939 to 804
Calculation steps:
[( 804 - 939 ) ÷ 939] x 100 = -14.38%
Formula
Percentage change = [(804 - 939) / 939] x 100
Subtract the new number by the original number
804 - 939 = -135
-135 ÷ 939 = -0.14376996805111822
-0.14376996805111822 x 100 = -14.38%