-79.13% is the change from 800 to 167
Calculation steps:
[( 167 - 800 ) ÷ 800] x 100 = -79.13%
Formula
Percentage change = [(167 - 800) / 800] x 100
Subtract the new number by the original number
167 - 800 = -633
-633 ÷ 800 = -0.79125
-0.79125 x 100 = -79.13%