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
Peru 1 Colombia 1 +41.8
+39.7
+0.6
Colombia 1 Paraguai 2 -40.9
-34.7
-1.3
Paraguai 0 Venezuela 1 In
Yes
+0.1
Equador 1 Argentina 3 -10.2
-12.7
-0.5
Brasil 3 Chile 0 +3.7
+3.6
+0.1
Chile 2 Equador 1 -1.8
-1.6
-0.1
Argentina 0 Peru 0 +1.4
+1.3
+0.2
Venezuela 0 Uruguai 0 +0.1
Points
Chance Will Make Next Round