-0.71% is the change from 844 to 838
Calculation steps:
[( 838 - 844 ) ÷ 844] x 100 = -0.71%
Formula
Percentage change = [(838 - 844) / 844] x 100
Subtract the new number by the original number
838 - 844 = -6
-6 ÷ 844 = -0.0071090047393364926
-0.0071090047393364926 x 100 = -0.71%