The phrase "to change the pattern" means to alter or modify the usual way of doing something. It implies shifting from the regular routine or behavior to introduce something new or different. Full definition
Once identified, you and your partner can begin putting in the work of changing those patterns of communication to lead to resolving and creating opportunities for growth and intimacy. (tacomachristiancounseling.com)
My final - year dissertation is on changing patterns in retail. (prospects.ac.uk)
By changing our pattern of breathing, we can make a big difference in the way our body responds to stress. (songofstyle.com)