-42.66% is the change from 851 to 488
Calculation steps:
[( 488 - 851 ) ÷ 851] x 100 = -42.66%
Formula
Percentage change = [(488 - 851) / 851] x 100
Subtract the new number by the original number
488 - 851 = -363
-363 ÷ 851 = -0.42655699177438305
-0.42655699177438305 x 100 = -42.66%