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
Uruguay 1 Costa Rica 3 -25.0
-0.6
England 1 Italy 2 -0.3
Week of 6/19100.0*Chance in next round100.0*Average seed
Italy 0 Uruguay 1 In
+0.7
Uruguay 2 England 1 +16.0
+0.7
Italy 0 Costa Rica 1 +5.1
Costa Rica 0 England 0 +0.0
Week of 6/26None
Points
Chance Will Make Next Round