How are these numbers calculated?

Big Games

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

Week of 1/9100.0*Top seed100.0*Average seed
Waterloo White 0 Kitchener Red 2 -20.0
-0.5
Kitchener Blue 0 Hamilton Red 1 -3.6
-0.2
Kitchener Red 3 Brantford 0 -0.9
-0.1
Hamilton White 0 Burlington Red 0 -0.1
Week of 1/16100.0*Top seed100.0*Average seed
Waterloo Black 1 Waterloo White 3 +21.5
+0.8
Kitchener Red 2 Cambridge 0 +7.2
-0.1
If winner is:HomeTieAway
Hamilton Red vs St. Catharines-12.8+5.9+10.3
-0.3+0.1+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inTopChance will finish regular season at seed
TPW-L-Tplayoffsseed123456789101112Count
341-0-0In83.2%83175,799,686
330-0-1In40.44047132,544,790
320-1-0InNo1347405,795,868
Total:In41.4%4121211714,140,344
Games Above .500
Chance Will Make Playoffs