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
Lamplighters 7 MiddlesexOffenders 5 In
+0.2
SJCKings 5 MilfordFire 4 -0.4
Wolfpack 1 Rogues 1 -0.0
Week of 3/23None
Week of 4/1None
Points
Chance Will Make Playoffs