How are these numbers calculated?

Big Games

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

Week of 1/16100.0*Chance in playoffs100.0*Average seed
Botafogo 2 Portuguesa 2 -3.0
-0.3
Madureira 2 Macae 2 +0.6
+0.1
Nova Iguacu 1 Cabofriense 1 +0.5
+0.1
Boavista 3 Fluminense 1 -0.2
-0.0
Vasco da Gama 0 Bangu 2 -0.2
-0.0
Volta Redonda 0 Flamengo 2 -0.1
-0.0
If winner is:HomeDrawAway
Portuguesa vs Madureira+8.6-3.0-6.7
+1.2-0.3-1.0
Bangu vs Volta Redonda-0.6+0.6+0.3
-0.0+0.1-0.0
Boavista vs Macae-0.5+0.6+0.1
-0.0+0.1-0.0
Flamengo vs Cabofriense-0.5+0.6+0.1
-0.0+0.1-0.0
Fluminense vs Botafogo+0.0+0.5-0.3
-0.0+0.1-0.0
Vasco da Gama vs Nova Iguacu-0.0+0.5-0.3
-0.0+0.1-0.0
If winner is:HomeDrawAway
Week of 1/23100.0*Chance in playoffs100.0*Average seed
Macae vs Portuguesa-6.7-3.0+8.6
-1.0-0.3+1.2
Fluminense vs Portuguesa-6.6-3.0+8.5
-1.0-0.3+1.2
Flamengo vs Vasco da Gama-0.6+0.6+0.3
-0.0+0.1-0.0
Bangu vs Nova Iguacu-0.5+0.6+0.1
-0.0+0.1-0.0
Madureira vs Boavista+0.1+0.6-0.5
-0.0+0.1-0.0
Botafogo vs Boavista+0.0+0.7-0.5
-0.0+0.1-0.0
Flamengo vs Bangu-0.2+0.8-0.2
-0.0+0.1-0.0
Macae vs Botafogo-0.1+0.6-0.2
-0.0+0.1-0.0
Cabofriense vs Vasco da Gama-0.3+0.5-0.0
-0.0+0.1-0.0
Madureira vs Fluminense-0.3+0.5-0.0
-0.0+0.1-0.0
Volta Redonda vs Cabofriense-0.0+0.5-0.3
-0.0+0.1-0.0
Nova Iguacu vs Volta Redonda-0.3+0.5-0.0
-0.0+0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112Count
3110-0-0In1000106,300
299-1-0In1000155,574
289-0-1In991247,912
278-2-0100.0%9910446,028
268-1-1100.097301,407,918
258-0-299.9928001,865,203*
247-2-199.68614003,553,376
237-1-298.174242005,628,767
6-4-098.37524200825,421
226-3-193.5573760005,236,926
7-0-393.256376002,971,412
216-2-283.438451520013,059,452*
206-1-363.5204429710013,135,831
5-4-161.918443071004,957,196
195-3-235.26294021400015,698,662
6-0-437.2730391940005,530,497*
185-2-313.8112333515300024,877,171
4-5-111.91113336163003,130,182
175-1-42.6021534321320019,821,212*
4-4-21.80212323516300012,391,020
164-3-30.10021432341530026,178,357
5-0-50.2003163432132006,244,874
3-6-10.1002133435142001,316,308
154-2-40.00021433331530031,084,282
3-5-20.0001113136183006,284,914*
144-1-5Out0021332341530020,060,587*
3-4-30.000011029361940016,519,988
133-3-4Out002113036183026,176,088
4-0-6Out00213333414205,204,071
2-6-2Out0019293819301,978,942*
123-2-5Out00213343514224,870,974
2-5-3Out0011031381726,313,389*
113-1-6Out0003183932813,134,135
2-4-4Out00021438361012,741,863*
102-3-5Out000424462515,704,773
3-0-7Out00062745212,974,885
1-6-3Out0032247271,320,503*
92-2-6Out00112444412,434,154
1-5-4Out001941493,160,276*
82-1-7Out00432645,626,251
1-4-5Out00329685,076,037*
71-3-6Out0117825,233,111
2-0-8Out0119801,444,451*
61-2-7Out009914,176,155*
51-1-8Out04961,405,624
0-4-6Out0397826,229
40-3-7Out0199996,763*
30-2-8Out0100444,191
20-1-9Out0100156,820
10-0-10Out0100106,297
Total:14.3%778889999999394,241,352

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs