How are these numbers calculated?

Big Games

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

Week of 6/21100.0*Average seed
Bayhawks 45 Saints 60 +0.6
Cougars White 63 Cougars Blue 93 +0.1
If winner is:HomeDrawAway
Week of 7/5100.0*Average seed
Saints vs Cougars White+0.4+0.4-0.6

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345Count
22-24In100133,648,354*
200-0-1In10078,306,146
Total:In6337211,954,500

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs