-16.15% is the change from 799 to 670
Calculation steps:
[( 670 - 799 ) ÷ 799] x 100 = -16.15%
Formula
Percentage change = [(670 - 799) / 799] x 100
Subtract the new number by the original number
670 - 799 = -129
-129 ÷ 799 = -0.16145181476846057
-0.16145181476846057 x 100 = -16.15%