How are these numbers calculated?

Big Games

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

Week of 2/27100.0*Average seed
Vikings 2 Rink Rats 7 -0.3
Week of 3/3100.0*Average seed
Vikings 7 Rink Rats 5 +0.3
If winner is:HomeHome OTHome SOTieAway SOAway OTAway
Week of 3/12100.0*Average seed
Vikings vs Rink Rats+0.5+0.5+0.5-0.5-0.5-0.5-0.5

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs1234Count
3010-00In10043,518,212
28-29In10043,946,932*
Total:In505087,465,144

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs