34/63 expressed as a percentage is 53.97%. This value tells you how much of a whole the fraction represents when you think in terms of hundredths.
The fraction 34/63 is a proper fraction, meaning the numerator is smaller than the denominator. It can be useful when comparing parts of a set that has 63 items, where 34 of those items are being considered.
If you need to communicate this proportion in everyday language, saying “about 54%” works well for quick estimates, while the exact figure 53.97% gives a precise picture.