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*Demotion100.0*Average seed
Andorra 1 Georgia 1 -0.2
+0.6
Andorra 0 Latvia 0 No
-0.7
San Marino 0 Belarus 2 No
Malta 1 Faroe Islands 1 +0.1
Malta 0 Kosovo 5 +0.1
Liechtenstein 2 Armenia 2 -0.2
Georgia 2 Kazakhstan 1 +0.1
Macedonia 4 Gibraltar 0 +0.1
Points
Chance Will Make Playoffs