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
Brasil 3 Chile 0 -19.9
-16.5
-0.5
Chile 2 Equador 1 +9.6
+18.5
+0.8
Equador 1 Argentina 3 Out
-16.8
-0.5
Argentina 0 Peru 0 +8.3
+6.5
+0.1
Colombia 1 Paraguai 2 +4.4
-0.8
-0.2
Venezuela 0 Uruguai 0 -0.1
Peru 1 Colombia 1 No
-0.4
Paraguai 0 Venezuela 1 +0.6
Points
Chance Will Make Next Round