How are these numbers calculated?

Big Games

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

Week of 4/14100.0*Chance in playoffs100.0*Average seed
Palmeiras 1 Sport Recife 1 +0.5
-0.0
Week of 4/21100.0*Chance in playoffs100.0*Average seed
Sport Recife 2 Colo-Colo 1 In
+0.8
Palmeiras 2 LDU 0 +1.8
-0.0
Week of 4/28100.0*Chance in playoffs100.0*Average seed
LDU 2 Sport Recife 3 +0.3
Colo-Colo 0 Palmeiras 1 -0.1
Points
Chance Will Make Playoffs