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
Mississippi_State 42 Arkansas 58 +1.0
Tennessee 63 Missouri 37 -0.1
Georgia 35 Louisiana-Lafayette 21 -0.1
LSU 10 Florida 16 -0.1
Auburn 55 FCS_Other 0 -0.1
Texas_A&M 23 UTSA 10 +0.0
If winner is:HomeHome OTAway OTAway
Texas_A&M vs LSU+0.2+0.2-0.2-0.2
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Missouri vs Arkansas-0.9-0.9+1.0+1.0
Florida_State vs Florida+0.5+0.5-0.4-0.4
Georgia vs Georgia_Tech-0.2-0.2+0.2+0.2
Alabama vs Auburn+0.1+0.1-0.3-0.3
Vanderbilt vs Tennessee+0.2+0.2-0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
51-0No524076,542
40-0No2926151893169,114,292
0-1No81522331656,542
Total:No2926151893169,127,376
Games Above .500
Chance Will Win Regular Season Title