-46.88% is the change from 800 to 425
Calculation steps:
[( 425 - 800 ) ÷ 800] x 100 = -46.88%
Formula
Percentage change = [(425 - 800) / 800] x 100
Subtract the new number by the original number
425 - 800 = -375
-375 ÷ 800 = -0.46875
-0.46875 x 100 = -46.88%