Log says that the original cpaacity is 45 000 mWh while the current one is just 34 710 mWh. Also I there has been 1687 battery cycles. I am unsure how quickly it changed the capacity as I had to reinstall Windows few days ago but it slightly concerns me. My laptop model is Lenovo ideapad l340 15irh with the original battery.
It’s actually a good thing that it’s only diminished by that much after 3 years.
Most laptop batteries only last about 3-5 years without losing more than 50% capacity.