How are these numbers calculated?

Big Games

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

Week of 7/8100.0*Average seed
Georgia 41 Chicago 51 +0.1
Jacksonville 70 Dallas 75 -0.1
Pittsburgh 34 Arizona 68 -0.1
If winner is:HomeHome OTAway OTAway
Week of 7/15100.0*Average seed
Dallas vs Chicago-0.2-0.2+0.2+0.2

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
142-0In1002,838,716
131-1In87134,835,982
120-2In27732,008,649
Total:In78229,683,347
Games Above .500
Chance Will Make Playoffs