How are these numbers calculated?

Big Games

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

Week of 1/30100.0*Chance in playoffs100.0*Average seed
Excalibur ProSt 5 Samurai Fightin 4 +3.3
+0.9
Double Rainbows 14 Not in the Face 7 -0.1
+0.0
Crosschecks 2 Killer Turtles 4 -0.1
+0.1
Spartans 2 Urine Trouble 12 -0.1
+0.0
If winner is:HomeTieAway
Week of 2/6100.0*Chance in playoffs100.0*Average seed
Excalibur ProSt vs Spartans+2.4-2.8-5.3
+0.4-0.1-1.1
Double Rainbows vs Crosschecks-0.4+0.7+2.6
Not in the Face vs Urine Trouble+1.1-0.1-0.2
-0.1-0.0+0.0
Victorious Secr vs Samurai Fightin-0.4+0.5+0.5
+0.1+0.0-0.1
Killer Turtles vs Puck Norris+0.1-0.8+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs12345678910Count
104-00098.8%12051261250,812
93-00168.5021749301296,755
83-01021.301205920001,678,902
2-00223.80222562000122,526
72-0112.2023058901,328,933
1-0032.50228618020,658
62-0200.00552385003,461,763
1-0120.006543550319,575
0-004Out65733401,276
51-021Out0234826201,542,474
0-013Out12247282023,882
41-030Out222581812,328,050
0-022Out22057201163,424
30-031Out4315411467,893
20-040Out5347472,670
Total:7.0%0025142823178212,479,593
Points
Chance Will Make Playoffs