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 +19.2
+1.2
Pistol Shrimp 0 Moose Knuckles 5 -0.2
Week of 4/6100.0*Top Four Seed100.0*Average seed
Big Willies 3 Hatrick Kane 0 +11.8
+0.2
Puck Norris 5 Moose Knuckles 3 -2.6
-0.0
If winner is:HomeAway
Trashers vs Pistol Shrimp+24.5-20.7
+0.2-0.2
Logan Urology vs Ugly Pucklings+19.5-20.3
+0.2-0.2
Moose Knuckles vs Trashers+1.9-13.3
+0.0-0.1

What If

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

100100100100100100100100
If finish:ChanceTop FourChance will finish season at seed
TPW-Lwins titleSeed12345678Count
200-0No22.3%2278136,328,208
Total:No22.3%2278136,328,208
Points
Chance Will Win Championship