How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 3/12100.0*Chance in playoffs100.0*Average seed
OCHC1 10 Ducks 3 -24.6
-0.6
Riptide 8 Wave 1 +0.3
+0.0
Sunday, 3/13100.0*Chance in playoffs100.0*Average seed
Ducks 3 Riptide 8 -23.5
-0.4
OCHC1 3 Wave 1 -2.3
-0.0
If winner is:HomeHome OTHome SOAway SOAway OTAway
Wave vs Ducks-0.5-0.5-0.5+0.5+0.5+0.5

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs1234Count
210-0Out1004,818,761
0-1Out1004,819,175*
Total:Out50509,637,936

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs