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*Relegated100.0*Average seed
Charleroi 4 Lokeren 1 +27.9
-0.5
Cercle Brugge 4 Lokeren 0 +11.5
-0.2
Charleroi 0 Anderlecht 2 -8.0
+0.1
Week of 3/21100.0*Relegated100.0*Average seed
Lokeren 0 Anderlecht 4 +27.3
-0.3
Roeselare 0 Westerlo 0 -0.4
Points
Chance Will Make Playoffs