How are these numbers calculated?

Big Games

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

Week of 6/11100.0*Chance in next round100.0*Average seed
Korea Republic 2 Greece 0 +26.6
+0.7
Argentina 4 Korea Republic 1 -8.6
-0.6
Greece 2 Nigeria 1 +3.1
+0.0
Argentina 1 Nigeria 0 -0.5
Week of 6/18100.0*Chance in next round100.0*Average seed
Nigeria 2 Korea Republic 2 +11.9
+0.3
Greece 0 Argentina 2 +5.9
+0.1
Brazil 3 Côte d’Ivoire 1 +0.2
Week of 6/25None
Points
Chance Will Make Next Round