-55.35% is the change from 851 to 380
Calculation steps:
[( 380 - 851 ) ÷ 851] x 100 = -55.35%
Formula
Percentage change = [(380 - 851) / 851] x 100
Subtract the new number by the original number
380 - 851 = -471
-471 ÷ 851 = -0.5534665099882491
-0.5534665099882491 x 100 = -55.35%