Thsi query will list all calendar days, and their daily attendance percentage for the year. If it doesn't work, try typing it in, don't copy/paste.
LIST DAY DY DT MO EN AP (( AP * 1.0 / EN * 100 )) IF EN > 0
This one will list it as %. Again, type it, don't copy/paste. Be sure you get the spacing correct.
LIST DAY DY DT MO EN AP (( LEFT ( (( AP * 1.0 / EN * 100 )) ,5 ) + "%" )) BY DY IF EN > 0