How many percent of couples that married in the 1980s that graduated high school , under the age of 26 that are not still together?
return couples ;return #1 in  the  1980s ;return #2 that graduated high school ;return #3 that married under the  age of 26 ;return #4 that are still together ;return percent of #5 ;return the  difference of 100 percent and  #6
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