-43.6% is the change from 851 to 480
Calculation steps:
[( 480 - 851 ) ÷ 851] x 100 = -43.6%
Formula
Percentage change = [(480 - 851) / 851] x 100
Subtract the new number by the original number
480 - 851 = -371
-371 ÷ 851 = -0.43595769682726204
-0.43595769682726204 x 100 = -43.6%