How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Chance in playoffs100.0*Average seed
Bourdeau 3 Roy 7 +22.9
+0.6
Boulianne 6 Roy 7 +22.9
+0.6
If winner is:HomeAway
Week of 4/27100.0*Chance in playoffs100.0*Average seed
Montpetit vs Roy-14.3In
-0.5+0.1
Bourdeau vs BoulianneIn-0.3

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTL-OTplayoffs1234Count
91-00-0In100128,851,502
60-01-083.8%54301617,173,550
Total:98.1%9532146,025,052
Points
Chance Will Make Playoffs