-18.55% is the change from 798 to 650
Calculation steps:
[( 650 - 798 ) ÷ 798] x 100 = -18.55%
Formula
Percentage change = [(650 - 798) / 798] x 100
Subtract the new number by the original number
650 - 798 = -148
-148 ÷ 798 = -0.18546365914786966
-0.18546365914786966 x 100 = -18.55%