-43.83% is the change from 851 to 478
Calculation steps:
[( 478 - 851 ) ÷ 851] x 100 = -43.83%
Formula
Percentage change = [(478 - 851) / 851] x 100
Subtract the new number by the original number
478 - 851 = -373
-373 ÷ 851 = -0.4383078730904818
-0.4383078730904818 x 100 = -43.83%