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
Germany 2 Netherlands 2 Out
No
-0.1
Switzerland 5 Belgium 2 -0.5
Italy 0 Portugal 0 +0.2
Points
Chance Will Make Playoffs