How are these numbers calculated?

Big Games

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

Week of 10/5100.0*Chance in World Cup100.0*Promoted100.0*Average seed
Equador 1 Argentina 3 -41.1
-20.6
-0.5
Colombia 1 Paraguai 2 +25.0
+34.6
+1.5
Paraguai 0 Venezuela 1 Out
No
-1.3
Brasil 3 Chile 0 +11.7
+7.8
+0.2
Peru 1 Colombia 1 +8.9
+4.5
+0.1
Argentina 0 Peru 0 +1.5
+0.7
-0.0
Chile 2 Equador 1 -0.5
-1.5
Points
Chance Will Make Next Round