The payout structure is based on the amount of tickets participating in the draw. There need to be at least 2 different users participating in the draw for it to be valid.

Between 2 and 5 tickets:
#1 95% Prize pool + optional bonus
+ 5% fee

Between 5 and 10 tickets:
#1 75% Prize pool + optional bonus
#2 20% Prize pool + optional bonus
+ 5% fee

More than 10 tickets:
#1 50% Prize pool + optional bonus
#2 10% Prize pool + optional bonus
-5% of tickets receive 20% Prize pool + optional bonus
-10% of tickets receive 10% Prize pool + optional bonus
-10% of tickets receive 5% Prize pool + optional bonus
+ 5% fee

 

The fee is used to offer bonuses besides running the website and allowing for further improvement.