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 -32.3
-0.5
Kitchener Blue 0 Hamilton Red 1 -4.2
-0.1
Hamilton White 0 Burlington Red 0 -0.1
Week of 1/16100.0*Top seed100.0*Average seed
Kitchener Red 2 Cambridge 0 +12.0
+0.1
Waterloo Black 1 Waterloo White 3 +10.6
+0.4
If winner is:HomeTieAway
Hamilton Red vs St. Catharines-16.1+36.4+39.7
-0.2+0.4+0.5

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
341-0-0In50.8%514934,050,399
330-0-1In6.7738558,324,736
320-1-0InNo013873,905,049
Total:In38.6%394311746,280,184
Games Above .500
Chance Will Make Playoffs