-80.91% is the change from 838 to 160
Calculation steps:
[( 160 - 838 ) ÷ 838] x 100 = -80.91%
Formula
Percentage change = [(160 - 838) / 838] x 100
Subtract the new number by the original number
160 - 838 = -678
-678 ÷ 838 = -0.8090692124105012
-0.8090692124105012 x 100 = -80.91%