How are these numbers calculated?

Big Games

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

Week of 2/25100.0*Chance in playoffs100.0*Average seed
Leafs 8 Kings 3 +0.2
-0.2
OC1 3 Gulls1 3 +0.1
-0.4
Wave 4 Heat 0 +0.1
-0.1
OC2 3 Flyers 2 +0.1
-0.2
Heat 1 Oilers 2 +0.1
If winner is:HomeTieAway
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Ducks vs Wave+0.5+0.4-0.2
Gulls1 vs OC2+0.5-0.2-0.1
Gulls2 vs OC1-0.4-0.2+0.2

What If

Chances based on how well the OC1 finish out the regular season.   Explain

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910111213141516Count
181-0-0In8415222,042,255
170-0-1In19814,320,768
160-1-0In1009,625,985
Total:In5276835,989,008
Games Above .500
Chance Will Make Playoffs