-20.78% is the change from 799 to 633
Calculation steps:
[( 633 - 799 ) ÷ 799] x 100 = -20.78%
Formula
Percentage change = [(633 - 799) / 799] x 100
Subtract the new number by the original number
633 - 799 = -166
-166 ÷ 799 = -0.20775969962453067
-0.20775969962453067 x 100 = -20.78%