You may not agree with my rating but here is a look at the remaining schedule.

Packers
Easy - Rams, viklings(2), Chiefs
Medium - Lions, Buccaneers, Raiders, Giants
Difficult - Chargers, Bears, Lions(Thanksgiving)
Strength of Schedule Remaining .527
Combined record of remaining opponents 29-26

Lions
Easy - Broncos, viklings
Medium - Falcons, Bears, Panthers, Raiders
Difficult - Packers(2), Chargers, Saints, 49'ers
Strength of Schedule Remaining .580
Combined record of remaining opponents 31-24