How are these numbers calculated?

Big Games

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

If winner is:HomeDrawAway
Week of 9/13100.0*Chance in playoffs100.0*Average seed
Legia Warszawa vs Borussia Dortmund+18.9-2.1-17.5
+0.5-0.0-0.4
Real Madrid vs Sporting CP-0.7+2.1-0.7

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
16-18In1001,504,485*
155-0-1In9911,731,539
144-2-0In10002,097,538
134-1-1In9376,025,483
124-0-299.8%732704,332,889
3-3-0In9461,942,615
113-2-199.9703008,374,287
103-1-294.33163612,040,368
2-4-099.9673301,014,219
92-3-189.52169115,823,051
3-0-363.03603605,774,274
82-2-247.714751112,558,189
1-5-082.2127018281,014
72-1-39.59682212,047,492
1-4-127.30276662,024,234
61-3-23.4357395,825,148
2-0-40.5040594,331,853
0-6-010.1010731632,422
51-2-30.1027738,379,304
0-5-10.403763282,215
41-1-4Out8926,022,607
0-4-20.0012881,014,076
30-3-3Out3971,940,325
1-0-5Out1991,733,832
20-2-4Out01002,093,489
0-1Out1001,503,836*
Total:50.0%25252525110,730,784

* Row combines multiple less frequent records.

Points
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

If winner is:HomeDrawAway
Week of 9/13100.0*Lottery seed
Legia Warszawa vs Borussia Dortmund+3.9-0.4-3.6
Real Madrid vs Sporting CP-0.1+0.4-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L1234567891011121314151617181920212223242526272829303132
186-0-01312131313121213
165-1-01213121212121213
155-0-1000000001212121212121212
144-2-0000000001312121212131212
134-1-1111111111212121212121212
124-0-2000000003333333399999999
3-3-0111111111212121212121212
113-2-1000000004444444499999999
103-1-2111111118888888844444444
2-4-0000000004444444488888888
92-3-1111111119999999933333333
3-0-300000000555555557777777700000000
82-2-200000000666666666666666600000000
1-5-0222222229999999922222221
72-1-3333333339999999911111111
1-4-111111111888888883333333300000000
61-3-2555555557777777700000000
2-0-4777777775555555500000000
0-6-02222222299999999111111110
51-2-3999999993333333300000000
0-5-1888888885555555500000000
41-1-4111111111111111111111111
0-4-211111111111111111111111100000000
30-3-3121212121212121200000000
1-0-5121212121212121200000000
20-2-4121212121313121200000000
10-1-51313121212131312
00-0-61312121312121313
Total:33333333333333333333333333333333