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
Kosovo 4 Azerbaijan 0 In
Yes
+1.8
Malta 0 Kosovo 5 +21.7
+21.7
+1.6
Azerbaijan 2 Faroe Islands 0 -17.0
-17.0
-0.3
Macedonia 4 Gibraltar 0 -0.3
San Marino 0 Belarus 2 -0.2
Georgia 2 Kazakhstan 1 -0.2
Moldova 1 Luxembourg 1 +0.2
Liechtenstein 2 Armenia 2 +0.2
Points
Chance Will Make Playoffs