-68.25% is the change from 800 to 254
Calculation steps:
[( 254 - 800 ) ÷ 800] x 100 = -68.25%
Formula
Percentage change = [(254 - 800) / 800] x 100
Subtract the new number by the original number
254 - 800 = -546
-546 ÷ 800 = -0.6825
-0.6825 x 100 = -68.25%