-19.35% is the change from 806 to 650
Calculation steps:
[( 650 - 806 ) ÷ 806] x 100 = -19.35%
Formula
Percentage change = [(650 - 806) / 806] x 100
Subtract the new number by the original number
650 - 806 = -156
-156 ÷ 806 = -0.1935483870967742
-0.1935483870967742 x 100 = -19.35%