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
Illinois 0 Iowa 28 -0.3
Michigan_State 16 Ohio_State 17 +0.1
Purdue 20 Wisconsin 49 +0.0
Rutgers 0 Penn_State 39 -0.0
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Average seed
Penn_State vs Michigan_State+0.1+0.1-0.8-0.8
Northwestern vs Illinois-0.1-0.1+0.8+0.8
Maryland vs Rutgers-0.1-0.1+0.5+0.5
Indiana vs Purdue+0.0+0.0-0.2-0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
31-0No83176,542
20-0No196813169,114,292
0-1No1075156,542
Total:No196813169,127,376
Games Above .500
Chance Will Win Regular Season Title