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
-1.9
Malta 0 Kosovo 5 Out
No
+0.1
Malta 1 Faroe Islands 1 +0.3
Macedonia 4 Gibraltar 0 +0.1
Liechtenstein 2 Armenia 2 -0.1
Andorra 1 Georgia 1 +0.1
Points
Chance Will Make Playoffs