-82.26% is the change from 806 to 143
Calculation steps:
[( 143 - 806 ) ÷ 806] x 100 = -82.26%
Formula
Percentage change = [(143 - 806) / 806] x 100
Subtract the new number by the original number
143 - 806 = -663
-663 ÷ 806 = -0.8225806451612904
-0.8225806451612904 x 100 = -82.26%