34/35 as a percentage is 97.14%. This value is rounded to two decimal places, so you can trust it for most everyday calculations.
The fraction 34/35 is just a little bit less than a whole. In everyday language it means you have 34 parts out of a possible 35, which is why the percentage is so high—almost the entire amount.
You’ll see this kind of percentage when something is nearly complete, like a project that’s 97.14% finished or a test score where you missed only one question out of 35. It’s a quick way to understand how close you are to the full 100%.