How are these numbers calculated?

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 10/7100.0*Lottery seed
Minnesota 1 Sporting KC 1 +0.1
Week of 10/15100.0*Lottery seed
Los Angeles 3 Minnesota 0 +0.4
Orlando 0 Columbus 1 -0.1
New England 2 NYCFC 1 +0.1
Chicago 3 Philadelphia 2 -0.1
Portland 4 DC United 0 -0.0
If winner is:HomeDrawAway
Week of 10/22100.0*Lottery seed
San Jose vs Minnesota+0.2+0.1-0.6
Seattle vs Colorado-0.1-0.1+0.4
Philadelphia vs Orlando-0.1+0.2-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L12345678910111213141516171819202122
391-0-017227
370-1-0100
360-0-18911
Total:017775
Points
Chance Will Make Playoffs