How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Pres Trophy100.0*Average seed
La Perceuse 12 Knights 11 (so)+18.9
+1.3
+0.6
Guns N Roses 9 Harkins 8 +10.8
+0.5
+0.1
Les Brasseurs 9 Gorillaz 7 +0.2
+1.6
-0.1
Week of 11/20100.0*Chance in playoffs100.0*Pres Trophy100.0*Average seed
La Perceuse 8 Guns N Roses 9 -26.9
No
-0.6
Les Brasseurs 7 Harkins 8 (so)-11.5
-0.1
Knights 6 Gorillaz 8 No
If winner is:HomeHome SOAway SOAway
Week of 11/27100.0*Chance in playoffs100.0*Pres Trophy100.0*Average seed
Harkins vs GorillazOutOut+23.4+27.2
-0.3-0.3+0.2+0.3
La Perceuse vs Les Brasseurs+23.4+23.4-5.3Out
+0.5+0.5-0.1-0.6
Guns N Roses vs Knights-1.6-1.6+1.6+1.6
-0.2-0.2-0.1+0.3

What If

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

100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPWL-OTplayoffsTrophy123456Count
1410-050.0%No505030,870,659
1300-121.3No2150294,622,351
1201-0OutNo435726,244,130
Total:26.6%No27472761,737,140
Points
Chance Will Make Playoffs