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*Average seed
Tampa Bay Light 175.161 California Gold 190.095 -0.4
Anaheim Ducks 172.332 Vancouver Canucks 98.577 +0.1
Montreal Canadi 132.127 Winnipeg Jets 85.86 -0.1
Chicago Blackha 136.451 Dallas Stars 155.815 +0.1
Week of 3/4100.0*Average seed
Chicago Blackha 117.32 Tampa Bay Light 106.65 -0.4
New York Island 122.224 Vancouver Canucks 81.369 +0.2
New York Rangers 157.642 Montreal Canadi 108.601 +0.2
If winner is:HomeAway
Week of 3/11100.0*Average seed
Tampa Bay Light vs Anaheim Ducks+0.5-0.5
Montreal Canadi vs Ottawa Senators-0.3+0.3
Vancouver Canucks vs Chicago Blackha-0.3+0.3

What If

Chances based on how well the Tampa Bay Light finish out the regular season.   Explain

If finish:Chance inChance will finish regular season at seed
Games Above .500
Chance Will Make Playoffs