-47.88% is the change from 800 to 417
Calculation steps:
[( 417 - 800 ) ÷ 800] x 100 = -47.88%
Formula
Percentage change = [(417 - 800) / 800] x 100
Subtract the new number by the original number
417 - 800 = -383
-383 ÷ 800 = -0.47875
-0.47875 x 100 = -47.88%