How are these numbers calculated?

Big Games

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

Week of 4/7100.0*Chance in playoffs100.0*Average seed
Cruzeiro 3 Mineros de Guayana 0 +2.8
+0.1
Huracan 1 Universitario de Sucre 1 -0.3
+0.1
Week of 4/14100.0*Chance in playoffs100.0*Average seed
Huracan 3 Cruzeiro 1 -17.1
-0.4
Universitario de Sucre 2 Mineros de Guayana 0 -0.5
-0.0
Week of 4/21100.0*Chance in playoffs100.0*Average seed
Cruzeiro 2 Universitario de Sucre 0 In
+1.2
Mineros de Guayana 3 Huracan 0 In
+0.6
Points
Chance Will Make Playoffs