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*Chance wins regular season title100.0*Average seed
Michigan_State 16 Ohio_State 17 No
-0.2
Rutgers 0 Penn_State 39 +4.6
+0.7
Michigan 20 Indiana 10 -1.2
-0.1
Purdue 20 Wisconsin 49 -0.8
-0.2
Nebraska 28 Maryland 7 -0.8
-0.2
Minnesota 29 Northwestern 12 -0.0
If winner is:HomeHome OTAway OTAway
Week of 11/25100.0*Chance wins regular season title100.0*Average seed
Penn_State vs Michigan_State+0.6+0.6-0.6-0.6
Iowa vs Nebraska+0.4+0.4-0.4-0.4
Wisconsin vs Minnesota-0.4-0.4+0.4+0.4
Ohio_State vs Michigan-0.2-0.2+0.2+0.2

What If

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

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title1234567891011121314Count
81-0No3651132,160
70-0No1937311355,862,160
0-1No2549262,160
Total:No1937311355,866,480
Games Above .500
Chance Will Win Regular Season Title