-51.57% is the change from 861 to 417
Calculation steps:
[( 417 - 861 ) ÷ 861] x 100 = -51.57%
Formula
Percentage change = [(417 - 861) / 861] x 100
Subtract the new number by the original number
417 - 861 = -444
-444 ÷ 861 = -0.5156794425087108
-0.5156794425087108 x 100 = -51.57%