This is ACC QB's (the team's current starter/primary QB) cumulative Passing Efficiency Rating after week 3. Not all QB's have played the same number of games due to cancellations, etc.
The formula is - (8.4 * Yds + 330 * TD - 200 * Int + 100 * Cmp) / Att
Player Name School Efficiency Rating after week 3
1. Anthony Brown Boston College 240.2
2. Josh Jackson Virginia Tech 175
3. Bryce Perkins Virginia 163.3
4. Ryan Finley NC State 158.3
5. Kelly Bryant Clemson 156.3
6. Eric Dungey Syracuse 148.7
7. Malik Rosier Miami (FL) 140.7
8. Quentin Harris Duke 123.5
9. Sam Hartman Wake Forest 120.2
10. Kenny Pickett Pittsburgh 120.2
11. Jawon Pass Louisville 117.8
12. Deondre Francois Florida State 114.8
13. TaQuon Marshall Georgia Tech 102.5
14. Nathan Elliott North Carolina 85.2

Comments
Maybe some YTD stat lines would be good so we can contextualize which offenses might be boom-or-bust and which might be dink-and-dunk? Also we know that volume has an effect on efficiency as well, so info regarding number of passing attempts might be useful too so we know which QBs have a smaller sample size and therefore probably some higher variance.
JJ still #2. Florence couldn't Pirate that away from us.
edit: glad to see "R. Finley" earned his first name back.
It warms my heart seeing UNC be so bad
Anthony Brown and Tua have extremely similar stats so far this season. Currently #1 and #2 in passer rating, respectively. Is BC a legit contender in the Atlantic with Dillon, a solid QB, and dare I say it...Loef...no, I cannot say it.
Tua looks amazing to me- which is downright scary. Imagine Bama scoring 45 points a game with a balanced attack and Saban's defense? I thought their 2015 team that destroyed ND for the MNC was great... this team looks even better. don't see anyone that can beat them if Tua is throwing darts like that.
Trevor Lawrence not calculated in?
Edited - never mind.