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
Crew 14 Balls 19 +27.8
+0.7
National 20 Crottes 18 +13.1
+0.2
Punks 7 Calumets 21 -0.0
Week of 3/7100.0*Pres Trophy100.0*Average seed
National 15 Balls 5 -25.1
-0.3
Punks 3 Crottes 16 -3.8
-0.0
Calumets 16 Titans 20 +0.4
Crew 16 Loonies 12 -0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Week of 3/14100.0*Pres Trophy100.0*Average seed
Crottes vs Titans-13.6-13.6-13.6+41.4+41.4+42.3
-0.1-0.1-0.1+0.4+0.4+0.4
Punks vs Balls-41.4-39.3-39.3+7.6+7.6+7.7
-0.8-0.8-0.8+0.2+0.2+0.2
National vs Crew+0.7+0.7+0.8-0.6-0.6-0.6
+0.1+0.1+0.1-0.1-0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPW-L-TplayoffsTrophy12345678910Count
281-0-0In52.3%524884,496,199
260-1-0In3.84455115,812,821
Total:In44.6%45478100,309,020
Games Above .500
Chance Will Make Playoffs