How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 3/16100.0*Chance in playoffs100.0*Average seed
SJCKings 5 MilfordFire 4 Out
-0.5
Lamplighters 7 MiddlesexOffenders 5 -19.3
-0.9
Week of 3/23None
Week of 4/1None
Points
Chance Will Make Playoffs