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
Italy 0 Portugal 0 In
Yes
+0.7
Switzerland 5 Belgium 2 +0.2
England 2 Croatia 1 -0.1
Portugal 1 Poland 1 +0.1
Germany 2 Netherlands 2 +0.1
Points
Chance Will Make Playoffs