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
Non-Conference 38 Northwestern 28 -2.4
-0.4
Illinois 17 Non-Conference 28 +0.2
Wisconsin 17 Non-Conference 27 +0.2
Ohio State 21 Non-Conference 17 -0.2
Indiana 14 Non-Conference 42 +0.2
Penn State 27 Non-Conference 14 -0.2
Purdue 55 Non-Conference 14 -0.2
Michigan 28 Non-Conference 14 -0.2
Michigan State 37 Non-Conference 20 -0.1
Non-Conference 10 Iowa 45 -0.1
Nebraska 38 Non-Conference 14 -0.1
If winner is:HomeAway
Week of 9/8100.0*Chance in playoffs100.0*Average seed
Northwestern vs Non-Conference+0.9-1.5
+0.3-0.5
Non-Conference vs Purdue+0.2-0.1
Minnesota vs Non-Conference-0.1+0.2
Iowa vs Non-Conference-0.1+0.2
-0.0+0.1
Non-Conference vs Nebraska+0.2-0.1
+0.1-0.0
Non-Conference vs Michigan State+0.2-0.1
+0.1-0.0
Non-Conference vs Penn State+0.2-0.1
+0.1-0.0
Michigan vs Non-Conference-0.1+0.2
-0.0+0.1
Ohio State vs Non-Conference-0.1+0.2
Non-Conference vs Wisconsin+0.1-0.0
Non-Conference vs Illinois+0.1-0.0
Non-Conference vs Indiana+0.1-0.0
+0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1111-076.8%492811421100135,047
1010-145.5222417128532112534,879
99-233.115181613108642125208,854
88-322.5101313121110875335740,891
77-414.478910111110986561,722,735
66-59.3546791011111110882,760,668
55-66.74234681011131413113,110,670
44-75.8421235710131719162,460,263
33-86.051112357121824221,334,980
22-96.5520011259172930474,201
11-107.252000012615313799,448
00-116.152000001311314811,792
Total:9.5%5455678101112131212,964,428
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
Non-Conference 38 Northwestern 28 +0.8
Wisconsin 17 Non-Conference 27 -0.1
Purdue 55 Non-Conference 14 +0.1
Ohio State 21 Non-Conference 17 +0.1
Illinois 17 Non-Conference 28 -0.1
Indiana 14 Non-Conference 42 -0.1
Non-Conference 0 Minnesota 45 +0.1
Michigan State 37 Non-Conference 20 +0.1
Michigan 28 Non-Conference 14 +0.1
Penn State 27 Non-Conference 14 +0.1
Non-Conference 10 Iowa 45 +0.1
Nebraska 38 Non-Conference 14 +0.1
If winner is:HomeAway
Week of 9/8100.0*Lottery seed
Northwestern vs Non-Conference-0.5+0.8
Non-Conference vs Wisconsin-0.1+0.1
Non-Conference vs Indiana-0.1+0.1
Non-Conference vs Illinois-0.1+0.1
Ohio State vs Non-Conference+0.0-0.1
Non-Conference vs Purdue-0.1+0.0
Iowa vs Non-Conference+0.0-0.1
Michigan vs Non-Conference+0.0-0.1
Non-Conference vs Nebraska-0.1+0.0
Non-Conference vs Michigan State-0.1+0.0
Minnesota vs Non-Conference+0.0-0.1
Non-Conference vs Penn State-0.1+0.0

What If

None

100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L12345678910111213
1111-0168220
1010-14742020
99-20314221500
88-303153030175100
77-4003112430229200
66-50000161931271330
55-60000162137287
44-700002154339
33-800022276
22-900694
11-100199
00-110100
Total:01223467912151821