How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/30100.0*Chance in playoffs100.0*Average seed
Nebraska 38 Non-Conference 14 +2.2
+0.4
Indiana 14 Non-Conference 42 +0.2
Non-Conference 38 Northwestern 28 +0.2
Michigan 28 Non-Conference 14 -0.2
Illinois 17 Non-Conference 28 +0.2
Wisconsin 17 Non-Conference 27 +0.2
Non-Conference 10 Iowa 45 -0.2
Ohio State 21 Non-Conference 17 -0.2
Purdue 55 Non-Conference 14 -0.2
Penn State 27 Non-Conference 14 -0.2
Michigan State 37 Non-Conference 20 -0.2
If winner is:HomeAway
Week of 9/8100.0*Chance in playoffs100.0*Average seed
Non-Conference vs Nebraska-4.4+1.7
-0.6+0.2
Non-Conference vs Purdue+0.6-0.2
+0.1-0.0
Minnesota vs Non-Conference-0.2+0.6
-0.0+0.1
Iowa vs Non-Conference-0.2+0.5
-0.0+0.1
Non-Conference vs Penn State+0.5-0.2
+0.1-0.0
Non-Conference vs Michigan State+0.5-0.2
+0.1-0.0
Michigan vs Non-Conference-0.2+0.4
-0.0+0.1
Ohio State vs Non-Conference-0.2+0.4
-0.0+0.1
Non-Conference vs Illinois+0.2-0.1
Non-Conference vs Wisconsin+0.2-0.1
Northwestern vs Non-Conference-0.1+0.1
Non-Conference vs Indiana+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1211-070.0%41291362100002531,419
1110-156.2292716953110025245,234
109-243.52122171286321125923,329
98-331.5141715131086432252,055,005
87-421.11012121211109754353,003,150
76-513.6779101111101097553,029,898
65-69.1545781011111111972,146,882
54-76.9523467911131414111,067,262
43-86.352123571013172016366,290
32-96.7520112471218252281,970
21-107.362000124817293010,884
10-111.51000002832563,105
Total:19.7%101010109988766612,964,428
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 8/30100.0*Lottery seed
Nebraska 38 Non-Conference 14 -0.7
Illinois 17 Non-Conference 28 -0.1
Indiana 14 Non-Conference 42 -0.1
Purdue 55 Non-Conference 14 +0.1
Non-Conference 38 Northwestern 28 -0.1
Wisconsin 17 Non-Conference 27 -0.1
Michigan State 37 Non-Conference 20 +0.1
Non-Conference 0 Minnesota 45 +0.1
Ohio State 21 Non-Conference 17 +0.1
Non-Conference 10 Iowa 45 +0.1
Michigan 28 Non-Conference 14 +0.1
Penn State 27 Non-Conference 14 +0.1
If winner is:HomeAway
Week of 9/8100.0*Lottery seed
Non-Conference vs Nebraska+1.1-0.4
Non-Conference vs Purdue-0.1+0.0
Non-Conference vs Penn State-0.1+0.0
Non-Conference vs Michigan State-0.1+0.0
Ohio State vs Non-Conference+0.0-0.1
Minnesota vs Non-Conference+0.0-0.1
Michigan vs Non-Conference+0.0-0.1
Iowa vs Non-Conference+0.0-0.1
Non-Conference vs Illinois-0.1+0.0
Non-Conference vs Indiana-0.1+0.0
Non-Conference vs Wisconsin-0.1+0.0
Northwestern vs Non-Conference+0.0-0.1

What If

None

100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L12345678910111213
1211-025750
1110-1128440
109-237024300
98-302542257100
87-402112732207100
76-5002922302410200
65-60000161931271220
54-70000172336267
43-800003174337
32-90022474
21-1000793
10-11199
Total:1111111111010987642