Why is it impacting your credit score? Are you not paying the bill? You need to pay the bill while it's under dispute, not because it's the "right thing to do" but because with google you have little other recourse than to wait it out. Otherwise you're just tanking your credit score. I guess there's no point in paying it now, because the damage has been done.

Your case is a replay of this person's same situation: https://www.reddit.com/r/personalfinance/comments/yunynk/should_i_dispute_a_charge_through_one_of_the/

And DO NOT INITIATE A CHARGEBACK WITH YOUR CREDIT CARD when it comes to Google. They will shut down your accounts, Gmail, etc.