Why are my Instagram posts not getting much likes?

I’m not an influencer or anything, and my account is private. But I’ve been posting as I usually do and I realised that my posts have been getting much fewer likes. The same thing has been happening to a few of my friends. I’m not to obsess over likes lol, and I don’t mind if people just scroll past. But I was wondering if the algorithm has been messed up and If people aren’t seeing my posts at all now? I experimented by posting during different times, and the results have been the same less likes and engagement.

Do I have to “cleanse” my account or something? And has this been happening to anyone else?
Why are my Instagram posts not getting much likes?
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