How are these numbers calculated?

Big Games

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

Week of 3/30100.0*Top Four Seed100.0*Average seed
Trashers 2 Big Willies 3 +20.7
+0.6
Pistol Shrimp 0 Moose Knuckles 5 -9.4
-0.3
Week of 4/6100.0*Top Four Seed100.0*Average seed
Puck Norris 5 Moose Knuckles 3 +2.6
-0.0
If winner is:HomeAway
Moose Knuckles vs TrashersYes-18.5
+0.1-0.4
Trashers vs Pistol Shrimp-3.1Yes
-0.3+0.3
Logan Urology vs Ugly PucklingsYes-2.7
+0.3-0.3

What If

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

100100100100100100100100
If finish:ChanceTop FourChance will finish season at seed
TPW-Lwins titleSeed12345678Count
221-0NoYes10073,964,718
200-1No94.3%51430562,363,490
Total:No97.4%782002136,328,208
Points
Chance Will Win Championship