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 +17.7
-0.3
Cercle Brugge 4 Lokeren 0 +5.1
-0.1
Charleroi 0 Anderlecht 2 -3.3
+0.0
Week of 3/21100.0*Relegated100.0*Average seed
Lokeren 0 Anderlecht 4 +10.1
-0.1
Roeselare 0 Westerlo 0 +3.9
-0.0
Points
Chance Will Make Playoffs