-18.96% is the change from 844 to 684
Calculation steps:
[( 684 - 844 ) ÷ 844] x 100 = -18.96%
Formula
Percentage change = [(684 - 844) / 844] x 100
Subtract the new number by the original number
684 - 844 = -160
-160 ÷ 844 = -0.1895734597156398
-0.1895734597156398 x 100 = -18.96%