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 4/21100.0*Chance in playoffs100.0*Average seed
Gremio vs Defensa y Justicia+18.7-2.0-17.4
+0.5-0.0-0.4
Universitario vs Palmeiras-0.6+2.0-0.6
If winner is:HomeDrawAway
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Palmeiras vs Gremio-17.4-2.0+18.7
-0.4-0.0+0.5
Defensa y Justicia vs Universitario-0.6+2.0-0.6

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234Count
16-18In1003,896,542*
155-0-1In9914,866,733
144-2-0In10004,822,149
134-1-1In93715,307,427
124-0-299.8%7228012,147,879
3-3-0In9374,054,142
113-2-199.96931019,298,762
103-1-294.13064630,621,812
2-4-099.5623801,913,062
93-0-361.735938116,202,304
2-3-188.920691112,157,948
82-2-246.714652128,932,913
1-5-081.9117118481,402
72-1-39.19682230,614,448
1-4-127.40276763,827,447
62-0-40.40396012,152,323
1-3-23.33583912,148,816
0-6-017.117731050,713
51-2-30.10277319,291,254
0-5-10.714455483,918
41-1-4Out89215,308,840
0-4-20.0014861,916,500
31-0-5Out1994,865,434
0-3-3Out3974,048,375
20-2-4Out01004,822,929
0-1Out1003,899,816*
Total:50.0%25252525268,133,888

* 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 4/21100.0*Lottery seed
Gremio vs Defensa y Justicia-4.3+0.7+3.9
Universitario vs Palmeiras+0.1-0.2+0.1
If winner is:HomeDrawAway
Week of 4/28100.0*Lottery seed
Palmeiras vs Gremio+3.9+0.7-4.3
Defensa y Justicia vs Universitario+0.1-0.2+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L1234567891011121314151617181920212223242526272829303132
186-0-096400
165-1-078192000
155-0-1503511200010
144-2-02839238200000
134-1-182228211031070000
124-0-21411181913512071000000
3-3-016172624145161000
113-2-100271521176131251000000
103-1-2000015111361518148310510000
2-4-0000141224216121162100000
93-0-3000002015101515932013410000
2-3-10000316027141916827310000
82-2-20001000141017148161594100000
1-5-000110002819251547520000
72-1-30000271391519181484100000
1-4-100001620151217171262100000
62-0-4000000126131921181252000
1-3-20003000151017211913721000
0-6-00116001381520181252000
51-2-30000000251118232013620
0-5-1010000139172322157200
41-1-400000139172525154
0-4-20000001513222621102
31-0-500000310253725
0-3-300001413283519
20-2-40002113651
10-1-500021978
00-0-600496
Total:33333333333333333333333333333333