How are these numbers calculated?

Big Games

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

Week of 2/20100.0*Chance in playoffs100.0*Average seed
Ducks 8 Kings 1 +7.9
+0.1
Mariners 6 Wave 6 -0.1
-0.1
Week of 2/28100.0*Chance in playoffs100.0*Average seed
Mariners 2 OCHC2 1 +8.7
+0.4
Wave 4 Ducks 6 +1.9
+0.2
OCHC1 7 Kings 0 +0.0
If winner is:HomeTieAway
Week of 3/5100.0*Chance in playoffs100.0*Average seed
Mariners vs Wildcats+0.1+0.1-0.4
Wave vs Kings-0.1+0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
121-0-0In10073,468,580
110-0-1In9466,010,831
100-1-0In455520,829,609
Total:In8812100,309,020
Games Above .500
Chance Will Make Playoffs