iPhone 15 pro battery health decline

He is using iPhone 15 Pro and for now iPhone 15 series apple has increased the battery count from 500 to 1000 cycles to retain 80% of their original capacity. So this maths is appropriate for iPhone 14 and lower models but i don’t think will be relevant for iPhone 15 models. I am attaching the screenshot below from the official Apple website for your reference

It's normal for the battery to lose about 1% a month.

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Maximum Capacity will drop around 1% for every 25 cycles to meet Apple’s specification of staying above 80% for 500 cycles (do the math). So 98% is about right.

Mine is 2months 98% cc 60. Is it normal.?