How are these numbers calculated?

Big Games

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

Week of 7/9100.0*Average seed
Oilers 0 Ducks 1 -0.3
D2 2 Oilers 11 +0.1
Ducks 4 Grizzlies 1 -0.1
Jays 2 Ducks 11 -0.0
If winner is:HomeTieAway
Grizzlies vs Ducks+0.3+0.3-0.4
Eagles vs Oilers-0.4+0.1+0.2
Week of 7/15None

What If

Chances based on how well the Oilers finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs12345678910Count
281-000In554529,665,456
270-001In5446424,549
260-010In10012,331,015
Total:In396142,421,020
Points
Chance Will Make Playoffs