The chance of a mismatch is 8.63616855509e-78%
If the hash was an atom then you would have to guess which atom in the observable universe it is. That is how likely a collision will happen.
[1] https://academic.oup.com/cybersecurity/article/10/1/tyad020/... see the girl/dog image on page 12 for one of my examples in the academic literature.
The chance of a mismatch is 8.63616855509e-78%
If the hash was an atom then you would have to guess which atom in the observable universe it is. That is how likely a collision will happen.