The baptism of downvotes is hard to take and it is something that discourages newcomers, and we've heard about this enough times. Seeing a barrage of downvote notifications doesn't help, regardless of their power. Either way, those who go through this experience and keep going are generally quite attached of Hive. It hurts on the moment, but you'll forget about it.

But in your case, the situation seems to have normalized, other than the reputation for some reason (maybe there are some big downvotes on comments there weren't retracted because I don't see them on posts). Either way, don't make reputation your main metric. It's only a measure of how much author rewards you received from the reward pool on the lifetime of your account. It's more complicated than that, but it's the simplest explanation.