How are these numbers calculated?

Big Games

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

Week of 5/2100.0*Average seed
Mechelen 2 Charleroi 1 +0.7
Germinal 3 Mechelen 1 -0.5
Gent 2 Cercle Brugge 1 +0.1
Mouscron 3 Germinal 1 -0.0
Week of 5/9100.0*Average seed
Mechelen 3 Lokeren 0 +1.0
Cercle Brugge 2 Westerlo 1 -0.3
Mouscron 0 Zulte Waregem 2 +0.1
Charleroi 3 Genk 0 -0.1
If winner is:HomeDrawAway
Club Brugge vs Mouscron+0.2+0.2-0.8
Roeselare vs Cercle Brugge+0.4+0.4-0.6

What If

Chances based on how well Mechelen finishes out the regular season.   Explain

100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins title123456789101112131415161718RelegatedCount
460-0-0No52417No300,455
Total:No52417No300,455
Points
Chance Will Win Championship