Since trading for Brett Favre in 1992 and including playoffs, the Packers are 49-15 vs the Bears.

https://www.footballdb.com/teams/nfl/green-bay-packers/teamvsteam?opp=6

Prior to 1992, the Bears led the all-time series 57-80-6 against the Packers. The record is now 106-95-6 in favor of the Packers.