question: How many percentage points had Samsung Share decreased from the first quarter in 2014 into the fourth quarter of 2014?
#1 return Samsung 
#2 return Share of #1 
#3 return #2 in  the  first quarter of 2014  
#4 return #2 in  the  fourth quarter of 2014  
#5 return percentage of #3 
#6 return percentage of #4 
#7 return the  difference of #6 and  #5