How are these numbers calculated?

Big Games

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

Week of 2/26100.0*Chance in playoffs100.0*Average seed
Ducks 9 Gulls 2 -5.6
-0.1
If winner is:HomeTieAway
Leafs vs GullsOut+5.9+75.7
-0.1+0.1+0.8
OCHC vs LeafsOut-1.3+0.8
-0.1-0.0+0.0
If winner is:HomeTieAway
Week of 3/5100.0*Chance in playoffs100.0*Average seed
Heat vs OCHC+0.8-1.2Out
+0.0-0.0-0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs1234567Count
410-0081.8%82183,779,182
300-0112.012886,290,780
201-00Out10052,933,456
Total:6.1%69463,003,418
Points
Chance Will Make Playoffs