How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/12100.0*Chance in next round100.0*Average seed
Germany 4 Portugal 0 +25.5
+0.6
Ghana 1 United States 2 -0.2
Week of 6/19100.0*Chance in next round100.0*Average seed
Germany 2 Ghana 2 -1.7
-0.1
United States 2 Portugal 2 -0.9
+0.1
Week of 6/26100.0*Chance in next round100.0*Average seed
United States 0 Germany 1 In
+0.4
Portugal 2 Ghana 1 +0.5
+0.0
Points
Chance Will Make Next Round