How are these numbers calculated?

Big Games

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

Week of 3/6100.0*Chance in playoffs100.0*Average seed
Germinal 1 Zulte Waregem 1 +2.6
+0.1
Mechelen 2 Genk 1 +0.8
+0.1
Cercle Brugge 4 Lokeren 0 -0.0
Week of 3/21100.0*Chance in playoffs100.0*Average seed
Mechelen 2 Zulte Waregem 1 +0.4
Cercle Brugge 3 St. Truiden 1 -0.3
Genk 1 Kortrijk 1 -0.1
Points
Chance Will Make Playoffs