-79.28% is the change from 806 to 167
Calculation steps:
[( 167 - 806 ) ÷ 806] x 100 = -79.28%
Formula
Percentage change = [(167 - 806) / 806] x 100
Subtract the new number by the original number
167 - 806 = -639
-639 ÷ 806 = -0.792803970223325
-0.792803970223325 x 100 = -79.28%