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
Pittsburgh 56 Duke 14 -0.4
Boston_College 30 Connecticut 0 -0.1
Syracuse 14 Florida_State 45 +0.1
North_Carolina_State 13 Miami 27 -0.0
Georgia_Tech 31 Virginia 17 +0.0
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Miami vs Duke-0.1-0.1+1.3+1.3
Pittsburgh vs Syracuse+0.0+0.0-0.1-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
21-0No4842116,542
10-0No5492169,114,292
0-1No1006,542
Total:No5492169,127,376
Games Above .500
Chance Will Win Regular Season Title