How are these numbers calculated?

Big Games

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

Week of 3/11100.0*Chance in playoffs100.0*Average seed
Blackhawks 6 Canadiens 4 -20.1
-0.7
Jets 4 Stars 4 +2.5
+0.1
Week of 3/18100.0*Chance in playoffs100.0*Average seed
Rangers 3 Jets 4 -15.0
-0.3
Flyers 2 Blackhawks 2 -6.9
-0.2
Canadiens 4 Stars 4 -1.7
-0.2
If winner is:HomeTieAway
Week of 3/25100.0*Chance in playoffs100.0*Average seed
Canadiens vs Stars+40.3OutOut
+0.8-0.4-1.0
Blackhawks vs Jets+9.9Out+9.9
+0.1-0.4+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
81-0-080.0%8020105,923,731
70-0-1Out623842,626,367
60-1-0Out10064,962,130
Total:39.7%402238213,512,228
Points
Chance Will Make Playoffs