How are these numbers calculated?

Big Games

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

Week of 10/7100.0*Average seed
Gibraltar 0 Estonia 6 -1.4
Week of 10/8100.0*Average seed
Greece 4 Gibraltar 0 -0.4
Czech Republic 5 San Marino 0 +0.2
Macedonia 4 Liechtenstein 0 +0.1
Points
Chance Will Make Playoffs