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
Boavista 3 Fluminense 1 +9.3
+1.2
Nova Iguacu 1 Cabofriense 1 +0.6
+0.1
Madureira 2 Macae 2 +0.6
+0.1
Botafogo 2 Portuguesa 2 +0.6
+0.1
Vasco da Gama 0 Bangu 2 -0.3
-0.0
Volta Redonda 0 Flamengo 2 -0.2
-0.0
If winner is:HomeDrawAway
Boavista vs Macae+12.5-3.8-10.1
+1.2-0.3-1.0
Bangu vs Volta Redonda-1.0+0.9+0.4
-0.0+0.1-0.0
Flamengo vs Cabofriense-0.8+1.0+0.2
-0.0+0.1-0.0
Vasco da Gama vs Nova Iguacu-0.1+0.8-0.4
-0.0+0.1-0.0
Fluminense vs Botafogo-0.1+0.8-0.4
-0.0+0.1-0.0
Portuguesa vs Madureira-0.3+0.8-0.3
-0.0+0.1-0.0
If winner is:HomeDrawAway
Week of 1/23100.0*Chance in playoffs100.0*Average seed
Botafogo vs Boavista-10.1-3.8+12.5
-1.0-0.3+1.2
Madureira vs Boavista-10.1-3.8+12.5
-1.0-0.3+1.2
Flamengo vs Vasco da Gama-1.0+0.9+0.4
-0.0+0.1-0.0
Bangu vs Nova Iguacu-0.8+1.0+0.2
-0.0+0.1-0.0
Flamengo vs Bangu-0.4+1.1-0.4
-0.0+0.1-0.0
Nova Iguacu vs Volta Redonda-0.4+0.8-0.1
-0.0+0.1-0.0
Cabofriense vs Vasco da Gama-0.4+0.8-0.1
-0.0+0.1-0.0
Volta Redonda vs Cabofriense-0.1+0.8-0.4
-0.0+0.1-0.0
Fluminense vs Portuguesa-0.1+0.8-0.4
-0.0+0.1-0.0
Madureira vs Fluminense-0.4+0.8-0.1
-0.0+0.1-0.0
Macae vs Portuguesa-0.3+0.8-0.3
-0.0+0.1-0.0
Macae vs Botafogo-0.3+0.8-0.3
-0.0+0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112Count
3310-0-0In100106,292
319-1-0In1000156,625
309-0-1In1000247,537
298-2-0In1000443,435
288-1-1100.0%99101,407,563
278-0-2100.099101,861,580*
267-2-1100.097303,554,929
257-1-299.9937005,631,192
6-4-099.99460826,575
246-3-199.78712005,233,033
7-0-399.68713002,971,276
236-2-298.4762320013,065,463*
226-1-394.25935600013,134,999
5-4-194.760355004,953,338
215-3-285.241451310015,701,780
6-0-486.34244131005,533,656*
205-2-366.1214527600024,880,175
4-5-165.621452860003,127,455
195-1-440.98333817300019,697,818
4-4-238.97313918300012,510,701*
184-3-315.521435341420026,164,859
5-0-517.92163732112006,243,995
3-6-114.11133535142001,313,769
174-2-43.20317353112200031,086,486
3-5-22.402153433142006,287,832*
164-1-50.20041836301120020,057,099*
3-4-30.200315343213200016,517,485
153-3-40.00031533321420026,176,312
4-0-60.0004183730101005,202,809
2-6-20.0002123235163001,980,921*
143-2-50.000031433331420024,869,422
2-5-3Out002113136173006,313,270*
133-1-6Out003153433132013,141,099
2-4-4Out002123136173012,745,707*
122-3-5Out000214343513115,703,935
3-0-7Out0031737321012,971,988
1-6-3Out0011132381621,320,444*
112-2-6Out0003183932712,441,801
1-5-4Out002153835103,160,657*
102-1-7Out00062845205,632,423
1-4-5Out00052546245,074,936*
91-3-6Out0011144445,233,884
2-0-8Out0011245421,443,762*
81-2-7Out00432654,175,378*
71-1-8Out00119801,406,709
0-4-6Out011782826,490
60-3-7Out00991995,404*
50-2-8Out0496444,236
40-1-9Out0199156,341
30-0-10Out0100106,477
Total:27.5%1512111098876553394,241,352

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs