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*Chance in playoffs100.0*Promotion100.0*Average seed
Moldova 1 Luxembourg 1 In
Yes
+0.5
San Marino 0 Belarus 2 In
Yes
+1.7
Macedonia 4 Gibraltar 0 -0.3
Georgia 2 Kazakhstan 1 -0.2
Malta 0 Kosovo 5 -0.2
Liechtenstein 2 Armenia 2 +0.1
Kosovo 4 Azerbaijan 0 -0.1
Azerbaijan 2 Faroe Islands 0 -0.1
Andorra 1 Georgia 1 +0.1
Points
Chance Will Make Playoffs