How are these numbers calculated?

Big Games

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

Week of 2/29100.0*Pres Trophy100.0*Average seed
National 20 Crottes 18 -18.3
-0.4
Crew 14 Balls 19 -5.5
-0.0
Punks 7 Calumets 21 -0.5
-0.1
Week of 3/7100.0*Pres Trophy100.0*Average seed
Punks 3 Crottes 16 +16.0
+0.5
National 15 Balls 5 +12.2
+0.2
Crew 16 Loonies 12 -1.4
-0.2
Calumets 16 Titans 20 +1.4
+0.2
If winner is:HomeHome OTHome SOAway SOAway OTAway
Week of 3/14100.0*Pres Trophy100.0*Average seed
Crottes vs Titans+35.9+36.6+36.6-36.1-36.1-36.1
+0.5+0.5+0.5-0.5-0.5-0.5
Punks vs Balls+16.3+6.4+6.4-5.1-5.0-16.8
+0.3+0.1+0.1-0.1-0.1-0.2
National vs Crew+7.2+7.1+7.2-7.2-7.1-7.2
+0.2+0.2+0.2-0.3-0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPW-L-TplayoffsTrophy12345678910Count
281-0-0In86.5%871316,718,384
260-1-0In14.314503616,717,956
Total:In50.4%50321833,436,340
Games Above .500
Chance Will Make Playoffs