How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Average seed
Vanderbilt 38 Mississippi 17 -1.4
Kentucky 49 FCS_Other 13 -0.2
Georgia 35 Louisiana-Lafayette 21 -0.1
South_Carolina 44 FCS_Other 31 -0.1
Texas_A&M 23 UTSA 10 -0.1
LSU 10 Florida 16 +0.1
Mississippi_State 42 Arkansas 58 +0.1
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Mississippi vs Mississippi_State+0.5+0.5-1.4-1.4
Vanderbilt vs Tennessee-0.6-0.6+0.5+0.5
Clemson vs South_Carolina+0.0+0.0-0.2-0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
31-0No2629456,542
20-0No19223325169,114,292
0-1No1006,542
Total:No19223325169,127,376
Games Above .500
Chance Will Win Regular Season Title