albaltun Said:
"My M1 Pro MB's battery capacity has downgraded to 99% in 22 days: I bought a this laptop exactly 22 days ago and now when I look at maximum capacity it is now 99% and my cycle count is 11. Is this my fault. If it is what should I do?"
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About Battery Degrading:
What has occurred is normal. Batteries degrade as they are used, eventually depleting (which you should avoid). It cannot stay at 100%. I have had mine replaced a few times, due to high use. I do not use it as much at this moment in time. So, I have not had to replace it in a while. Unfortunately, there is no way to know how nor when this degrade occurs.
So, You are Fine for Now:
Apple recommends that you get a new battery when the Battery Health reaches 80%. So, if the Battery Health is greater than 80%, there is no need to change the battery (yet).