-80.89% is the change from 806 to 154
Calculation steps:
[( 154 - 806 ) ÷ 806] x 100 = -80.89%
Formula
Percentage change = [(154 - 806) / 806] x 100
Subtract the new number by the original number
154 - 806 = -652
-652 ÷ 806 = -0.8089330024813896
-0.8089330024813896 x 100 = -80.89%