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
Italia 1 Paraguai 1 +1.4
Nova Zelandia 1 Eslovaquia 1 -0.7
-0.0
Week of 6/18100.0*Chance in next round100.0*Average seed
Eslovaquia 3 Italia 2 +75.7
+1.5
Eslovaquia 0 Paraguai 2 -30.2
-0.8
Italia 1 Nova Zelandia 1 +3.5
+0.0
Paraguai 0 Nova Zelandia 0 +1.3
-0.0
Week of 6/25None
Points
Chance Will Make Next Round