Should i be worried about my battery?

So i just recalibrated my battery today before i recalibrated it it shows that it only has 56 mWh capacity even tho it was a 70 MWh battery. that's why i recalibrated it, it improved a bit but it's still only 60 mWh still quite far from 70 mWh

https://preview.redd.it/rqc43ei4dvhd1.png?width=1167&format=png&auto=webp&s=7992f05e6daf3c1f0c5bc048465bd9ac43ffd282