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 +0.7
Romania 3 Lithuania 0 +0.1
Serbia 4 Lithuania 1 +0.1
Bulgaria 1 Slovenia 1 -0.0
Points
Chance Will Make Playoffs