How are these numbers calculated?

Big Games

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

Week of 10/23100.0*Chance in playoffs100.0*Average seed
Detroit 16 Atlanta 23 -7.7
-0.7
Tampa Bay 18 Chicago 24 -0.2
New Orleans 62 Indianapolis 7 -0.2
Cleveland 6 Seattle 3 +0.2
Dallas 34 St. Louis 7 -0.1
Arizona 20 Pittsburgh 32 +0.1
Minnesota 27 Green Bay 33 -0.1
If winner is:HomeAway
Week of 10/30100.0*Chance in playoffs100.0*Average seed
Denver vs Detroit-15.7+7.7
-0.7+0.4
St. Louis vs New Orleans+2.2-0.5
+0.1-0.0
Carolina vs Minnesota-0.8+1.3
Buffalo vs Washington+0.4-0.8
NY Giants vs Miami-0.3+0.7
Philadelphia vs Dallas+0.5-0.5
Seattle vs Cincinnati-0.3+0.2

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
138-0In553501010,376
127-1In12264059063,493
116-299.4%154083610162,678
105-388.20010533411100225,739
94-444.600010353913200186,739
83-55.305233526920095,133
72-60.10018243424820028,760
61-7Out019273720504,862
50-8Out03123437131425
Total:67.2%2410402016853110000778,205
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 10/23100.0*Lottery seed
Detroit 16 Atlanta 23 +1.3
Minnesota 27 Green Bay 33 +0.2
If winner is:HomeAway
Week of 10/30100.0*Lottery seed
Denver vs Detroit+1.6-0.8
St. Louis vs New Orleans-0.1+0.0
Carolina vs Minnesota+0.0-0.1
NY Giants vs Miami+0.0-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L1234567891011121314151617181920212223242526272829303132
138-035203410100
127-1392064005620
116-20113310061226010
105-300000001439259101000
94-40000010628161913520000
83-5005151523231683100
72-600001411192421136200
61-7002714232717820
50-8141429311551
Total:1121100022181010765432211100000000