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
Nebraska 28 Maryland 7 -0.5
Minnesota 29 Northwestern 12 +0.2
Michigan 20 Indiana 10 +0.2
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Maryland vs Rutgers+0.5+0.5-0.5-0.5
Northwestern vs Illinois-0.3-0.2+0.2+0.3
Indiana vs Purdue-0.3-0.2+0.3+0.3

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
31-0No2750242,160
20-0No12256355,862,160
0-1No1002,160
Total:No12256355,866,480
Games Above .500
Chance Will Win Regular Season Title