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
OC1 3 Gulls1 3 +1.2
-0.1
OC2 3 Flyers 2 +1.2
-0.2
Leafs 8 Kings 3 +1.0
-0.1
Wave 4 Heat 0 -0.1
Heat 1 Oilers 2 +0.2
If winner is:HomeTieAway
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Gulls2 vs OC1-0.5-0.1+0.5
Ducks vs Wave+0.3+0.1-0.3
Gulls1 vs OC2+0.2-0.2-0.2

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
181-0-0In2551255,092,323
170-0-1In44561,387,002
160-1-0In1005,088,211
Total:In11286211,567,536
Games Above .500
Chance Will Make Playoffs