Chances of miscarriage

I had my first beta on Wednesday and it was 171 at 14dpo! Today’s beta was 460 at 16dpo! I have my first ultrasound 2 weeks from today! What are my chances of miscarriage at this point? I’ve had 2 early losses and I’m so scared. My numbers have never looked this good so I’m hoping that’s a good sign but I’m still scared.