-74.88% is the change from 800 to 201
Calculation steps:
[( 201 - 800 ) ÷ 800] x 100 = -74.88%
Formula
Percentage change = [(201 - 800) / 800] x 100
Subtract the new number by the original number
201 - 800 = -599
-599 ÷ 800 = -0.74875
-0.74875 x 100 = -74.88%