How are these numbers calculated?

Big Games

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

Week of 12/5100.0*Chance in playoffs100.0*Average seed
Green Bay 20 Washington 15 Out
-0.2
Arizona 17 Pittsburgh 23 +0.1
Atlanta 40 Carolina 20 -0.1
Minnesota 20 Detroit 7 +0.0
If winner is:HomeTieAway
Philadelphia vs NY Giants+0.1+0.1-0.2
If winner is:HomeTieAway
Week of 12/12100.0*Chance in playoffs100.0*Average seed
Washington vs Philadelphia+0.9+0.6-0.4
Arizona vs Cleveland-0.2+0.1+0.1
Detroit vs Tampa Bay-0.1+0.1+0.1
NY Giants vs Miami-0.1+0.2+0.2
Carolina vs Seattle-0.1-0.1+0.0

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
63-0-0Out0174630700466,110,009
5.52-0-1Out11653273002,200,773
52-1-0Out02184430604,107,155,848
1-0-2Out03194428703,033
4.51-1-1Out6363916210,696,529
0-0-3Out1001
41-2-0Out32246299,258,035,377
0-1-2Out32547266,272
3.50-2-1Out09454610,330,389
30-3-0Out1005,524,499,849
Total:Out00241117234319,379,038,080
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 12/5100.0*Lottery seed
Green Bay 20 Washington 15 +0.4
Atlanta 40 Carolina 20 +0.2
Arizona 17 Pittsburgh 23 -0.1
Cleveland 27 Cincinnati 19 -0.1
Minnesota 20 Detroit 7 -0.0
New Orleans 46 San Francisco 48 -0.0
Jacksonville 10 LA Chargers 45 -0.0
Houston 24 Denver 38 +0.0
If winner is:HomeTieAway
Philadelphia vs NY Giants-0.1+0.2+0.1
If winner is:HomeTieAway
Week of 12/12100.0*Lottery seed
Washington vs Philadelphia-1.4+0.1+0.7
Arizona vs Cleveland+0.2+0.2-0.1
Cincinnati vs New England+0.3+0.0-0.0
NY Giants vs Miami-0.1+0.1+0.2
Oakland vs Jacksonville-0.1+0.1+0.1
Detroit vs Tampa Bay+0.1+0.1-0.1
LA Chargers vs Minnesota+0.1+0.0-0.1
San Francisco vs Atlanta-0.0+0.0+0.2
Dallas vs LA Rams-0.1+0.0+0.1
Baltimore vs NY Jets-0.0+0.1+0.1
New Orleans vs Indianapolis-0.0+0.0+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T1234567891011121314151617181920212223242526272829303132
63-0-0001624372571000
5.52-0-1001519342911200
52-1-000111313617300
1-0-211030361840
4.51-1-1217383490
0-0-3100
41-2-00423422730
0-1-2031840336
3.50-2-10753400
30-3-0206713
Total:0000113710142119214