How are these numbers calculated?

Big Games

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

Week of 6/16100.0*Chance in next round100.0*Average seed
Tunisia 1 England 2 +25.5
+0.6
Belgium 3 Panama 0 -0.2
Week of 6/21100.0*Chance in next round100.0*Average seed
England 6 Panama 1 In
+0.2
Belgium 5 Tunisia 2 +3.7
Week of 6/28100.0*Chance in next round100.0*Average seed
England 0 Belgium 1 -0.5
Points
Chance Will Make Next Round