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)+18.8
+0.3
+0.4
Guns N Roses 9 Harkins 8 +15.9
+0.2
+0.1
Les Brasseurs 9 Gorillaz 7 +0.2
+1.2
-0.1
Week of 11/20100.0*Chance in playoffs100.0*Pres Trophy100.0*Average seed
La Perceuse 8 Guns N Roses 9 -27.1
No
-0.5
Les Brasseurs 7 Harkins 8 (so)-6.1
-0.0
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
La Perceuse vs Les Brasseurs+26.4+26.4-10.4Out
+0.5+0.5-0.1-0.8
Harkins vs GorillazOutOut+16.5+19.8
-0.4-0.4+0.1+0.2
Guns N Roses vs Knights-2.0-2.0+1.6+1.6
-0.2-0.2-0.1+0.2

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
1410-068.6%No6931111,646,089
1300-131.7No32491911,779,674
1201-0OutNo465466,931,265
Total:42.2%No423820190,357,028
Points
Chance Will Make Playoffs