How are these numbers calculated?

Big Games

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

Week of 1/18100.0*Chance in playoffs100.0*Average seed
McEwen 3 Whitaker 9 -34.5
-0.8
McCambly 7 Rowat 2 -0.6
-0.0
Crance 8 Peloquin 6 +0.6
Lynch 6 Benard 8 +0.1
If winner is:HomeTieAway
Week of 1/25100.0*Chance in playoffs100.0*Average seed
McEwen vs McCambly+40.8+4.8Out
+1.2+0.4-0.8
Crance vs Rowat-0.1+0.5+0.5
Peloquin vs Lynch-0.1+0.1+0.1

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678RelegatedCount
101-0-067.4%442333No24,315,495
90-0-131.3230671No3,276,329
80-1-0Out19728No37,984,384
Total:26.6%171027425No65,576,208
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 1/18100.0*Lottery seed
McEwen 3 Whitaker 9 +0.8
McCambly 7 Rowat 2 +0.0
If winner is:HomeTieAway
Week of 1/25100.0*Lottery seed
McEwen vs McCambly-1.2-0.4+0.8
Crance vs Rowat+0.1-0.5-0.5
Peloquin vs Lynch+0.1-0.1-0.1

What If

100100100100100100100100
If finish:Chance will finish season at seed
TPW-L-T12345678
101-0-0442333
90-0-1230681
80-1-019729
Total:171027425