-79.18% is the change from 807 to 168
Calculation steps:
[( 168 - 807 ) ÷ 807] x 100 = -79.18%
Formula
Percentage change = [(168 - 807) / 807] x 100
Subtract the new number by the original number
168 - 807 = -639
-639 ÷ 807 = -0.79182156133829
-0.79182156133829 x 100 = -79.18%