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
Azerbaijan 2 Faroe Islands 0 Out
No
-0.9
Malta 0 Kosovo 5 Out
No
+0.0
Malta 1 Faroe Islands 1 -0.2
Liechtenstein 2 Armenia 2 -0.2
Andorra 0 Latvia 0 +0.1
Macedonia 4 Gibraltar 0 +0.1
Andorra 1 Georgia 1 -0.0
Points
Chance Will Make Playoffs