-81.27% is the change from 806 to 151
Calculation steps:
[( 151 - 806 ) ÷ 806] x 100 = -81.27%
Formula
Percentage change = [(151 - 806) / 806] x 100
Subtract the new number by the original number
151 - 806 = -655
-655 ÷ 806 = -0.8126550868486352
-0.8126550868486352 x 100 = -81.27%