-48.96% is the change from 817 to 417
Calculation steps:
[( 417 - 817 ) ÷ 817] x 100 = -48.96%
Formula
Percentage change = [(417 - 817) / 817] x 100
Subtract the new number by the original number
417 - 817 = -400
-400 ÷ 817 = -0.48959608323133413
-0.48959608323133413 x 100 = -48.96%