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 +0.9
+0.1
Mechelen 2 Genk 1 +0.2
Week of 3/21100.0*Chance in playoffs100.0*Average seed
Standard Liège 0 Gent 2 -0.2
Genk 1 Kortrijk 1 -0.1
Cercle Brugge 3 St. Truiden 1 +0.1
Points
Chance Will Make Playoffs