-3.81% is the change from 839 to 807
Calculation steps:
[( 807 - 839 ) ÷ 839] x 100 = -3.81%
Formula
Percentage change = [(807 - 839) / 839] x 100
Subtract the new number by the original number
807 - 839 = -32
-32 ÷ 839 = -0.03814064362336114
-0.03814064362336114 x 100 = -3.81%