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 Out
No
-1.6
Azerbaijan 2 Faroe Islands 0 +22.3
+22.3
+2.2
Malta 0 Kosovo 5 -16.4
-16.4
-0.3
San Marino 0 Belarus 2 -0.2
Georgia 2 Kazakhstan 1 +0.1
Liechtenstein 2 Armenia 2 -0.1
Macedonia 4 Gibraltar 0 -0.1
Moldova 1 Luxembourg 1 +0.0
Points
Chance Will Make Playoffs