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+16.8-4.4-19.5
+0.4-0.1-0.5
Universitario vs Palmeiras-0.7+2.1-0.6
If winner is:HomeDrawAway
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Palmeiras vs Gremio-15.5+0.2+20.8
-0.4+0.0+0.5
Defensa y Justicia vs Universitario-0.7+2.1-0.6

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
16-18In10011,074,409*
155-0-1In99114,190,448
144-2-0In100014,023,644
134-1-1In93745,328,061
124-0-299.8%7227036,475,327
3-3-0In93711,948,001
113-2-199.96931057,651,650
103-1-294.23163692,321,326
2-4-099.4623815,693,867
93-0-361.935938149,082,740
2-3-188.920691136,473,508
82-2-246.614652187,239,141
1-5-080.51170201,439,934
72-1-39.19682392,315,882
1-4-126.602767611,490,579
61-3-23.23574036,482,708
2-0-40.40396136,455,780
0-6-016.10167311151,896
51-2-30.10277357,636,494
0-5-10.6142571,439,754
41-1-4Out89245,320,899
0-4-20.0014865,699,223
31-0-5Out19914,198,566
0-3-3Out39711,948,210
20-2-4Out010014,036,092
0-1Out10011,067,525*
Total:50.0%25252525801,185,664

* 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-3.9+1.2+4.4
Universitario vs Palmeiras+0.1-0.2+0.1
If winner is:HomeDrawAway
Week of 4/28100.0*Lottery seed
Palmeiras vs Gremio+3.4+0.2-4.8
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
165-1-079192000
155-0-152351120000100
144-2-030392271000000
134-1-19232820103106000
124-0-21412191912512061000000
3-3-0161725241451510000
113-2-1002716211761312510000000
103-1-200002511136151814731051000
2-4-00001311232351111731001000
93-0-30000030151115159220134100000
2-3-10000317027141917927310000
82-2-2001000141016148161594100000
1-5-000100002718261747521000
72-1-3000002713915181814841000000
1-4-1000015201410161713731000000
61-3-2000300014916212014831000
2-0-40000000137131921181252000
0-6-0000160002613191914721000
51-2-30000000151018232114620
0-5-101000137152222179310
41-1-40000138172526165
0-4-20000001411202622123
31-0-500000310253725
0-3-30001312273621
20-2-400002113552
10-1-500021979
00-0-6000496
Total:33333333333333333333333333333333