-78.35% is the change from 799 to 173
Calculation steps:
[( 173 - 799 ) ÷ 799] x 100 = -78.35%
Formula
Percentage change = [(173 - 799) / 799] x 100
Subtract the new number by the original number
173 - 799 = -626
-626 ÷ 799 = -0.7834793491864831
-0.7834793491864831 x 100 = -78.35%