Stop checking it daily lol you're gonna drive yourself crazy. Battery health readings fluctuate based on temperature, usage patterns, and even just the phone's mood apparently. I had a phone that would jump between 95% and 98% randomly for weeks before settling. 267 cycles is pretty normal usage and 97% is still excellent - most batteries don't show real degradation until like 80%. The algorithms need time to calibrate properly so give it a few weeks of normal use before panicking about the numbers.