1/77 = ≈1.3%
Rounded to 2 decimal places.
The fraction 1/77 represents a very small share, about 1.3%. You might see a value like this when describing a rare event, such as roughly one person out of a large group having a certain unusual experience.
To picture it quickly, imagine 77 equal spots with only one spot selected. It is a little more than one out of every 100, so it feels small but not impossible.
A common mistake is to treat 1/77 as exactly 1%, even though it is slightly larger. Another point of confusion is thinking that the 1 applies to every 77 items in a perfectly regular pattern; in real life, the selected item could appear anywhere and may not be evenly spaced.