How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday100.0*Average seed
Trailblazers 126 Hawks 123 -0.2
Grizzlies 101 Pistons 103 -0.1
Bucks 108 Pistons 91 +0.1
Pistons 79 Cavaliers 73 -0.0
Spurs 89 Pistons 114 -0.0
Saturday100.0*Average seed
Hawks 99 Rockets 115 -0.4
Raptors 107 Pistons 102 +0.2
Hawks 114 Suns 96 +0.2
Wizards 88 Hawks 109 +0.2
Hawks 113 Raptors 104 +0.1
Pacers 97 Pistons 126 -0.1
Hawks 124 Kings 77 +0.1
Pistons 119 Nets 98 -0.1
Games Above .500
Chance Will Make Playoffs