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
Venezuela 0 Uruguai 0 +0.3
+0.2
-0.1
Chile 2 Equador 1 -0.2
-0.1
Colombia 1 Paraguai 2 +0.2
+0.1
+0.2
Brasil 3 Chile 0 In
Yes
+0.0
Argentina 0 Peru 0 +0.0
Peru 1 Colombia 1 +0.0
Uruguai 4 Bolivia 2 +0.0
Points
Chance Will Make Next Round