If it's structurally sound & you'd like a project, then why not have a go at restoring it.
Upholstery isn't too complicated & you just need patience & a good staple gun (use stainless staples).
It might be cheaper getting a new one, but sometimes that's not the only motivation
Getting a new one would work better, nowadays it's quite easy to find good furniture online whether it is office chair or gaming chair or recliner. Simply check online reviews and choose the one that suits you better and buy from amazon.