How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Average seed
Greece 0 Estonia 1 +0.6
Serbia 4 Lithuania 1 +0.3
Romania 3 Lithuania 0 +0.2
Bulgaria 1 Slovenia 1 +0.1
Points
Chance Will Make Playoffs