How are these numbers calculated?

Big Games

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

Week of 2/16100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Corinthians 2 Sao Paulo 1 +0.5
+0.8
Sao Caetano 4 Bragantino 4 -0.7
Ferroviaria 0 Palmeiras 0 +0.1
If winner is:HomeDrawAway
Oeste vs Sao Bento-0.3+0.4+1.0
-1.9+0.8+8.3
Mirassol vs Sao Bento+1.0-3.6+1.3
Bragantino vs Novorizontino+0.2+0.1-0.2
If winner is:HomeDrawAway
Week of 2/23100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Botafogo vs Corinthians+2.4-0.9-1.3
-19.2+1.8+13.5
+0.1-0.0-0.1
Ponte Preta vs Ituano+0.6+0.1-0.6
+0.0+0.0-0.1
Sao Paulo vs Red Bull-0.7+0.1+0.5
+0.1+0.0-0.1
Ferroviaria vs Oeste+0.5+0.1-0.5
+0.2+0.1-0.2
Guarani vs Sao Caetano-3.5+0.9+8.8

What If

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

100100100100
If finish:Chance inChance will finish regular season at seedSerie
TPW-D-Lplayoffs1234A2Count
195-0-080.6%3545182No752,614
174-1-045.910364114No3,130,963
164-0-128.24244626No6,436,440
153-2-011.91114147No5,451,345
143-1-16.00634600.0%22,021,737
133-0-22.00223750.022,026,534
2-3-01.00117820.04,596,420
122-2-10.30010900.627,295,353
112-1-20.1006943.853,411,740
1-4-00.003974.51,871,199
102-0-30.00029814.834,366,803
1-3-10.0019916.214,540,020
91-2-2Out010037.141,802,475
0-5-0Out10048.1295,976
4-8Out10078.1134,352,797*
Total:1.7%0179135.0%372,352,416

* 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

Week of 2/16100.0*Lottery seed
Sao Caetano 4 Bragantino 4 -0.0
If winner is:HomeDrawAway
Oeste vs Sao Bento-0.0-0.0+0.2
Mirassol vs Sao Bento+0.0-0.1+0.0
If winner is:HomeDrawAway
Week of 2/23100.0*Lottery seed
Botafogo vs Corinthians-0.9+0.2+0.6
Guarani vs Sao Caetano-0.1+0.0+0.2
Sao Paulo vs Red Bull+0.1-0.0-0.0

What If

100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L12345678910111213141516
195-0-00128732517016400
174-1-0036052832026800
164-0-10030116712332340
153-2-001047424411810
143-1-1000151103839700
133-0-20000202185125200
2-3-00000101165029300
122-2-100000331511310
112-1-20000012523240
1-4-00009513540
102-0-3000023449141
1-3-10013251151
91-2-2001350334
0-5-0844417
81-1-34364813
0-4-13335014
71-0-41185229
0-3-20155332
60-2-354054
50-1-422771
40-0-501585
Total:000000110251120252213