-74.75% is the change from 800 to 202
Calculation steps:
[( 202 - 800 ) ÷ 800] x 100 = -74.75%
Formula
Percentage change = [(202 - 800) / 800] x 100
Subtract the new number by the original number
202 - 800 = -598
-598 ÷ 800 = -0.7475
-0.7475 x 100 = -74.75%