38/47 expressed as a percentage is 80.85%. This number shows how the fraction compares to a whole when you think in terms of hundredths.
The fraction 38/47 is a little bit more than three‑quarters (which would be 75%). It’s close to 0.81 when you write it as a decimal, so the percentage is just a bit higher than 80%.
Seeing the percentage makes it easy to understand how large the part is. In everyday terms, if you had 47 pieces of something and you took 38 of them, you would have about 81 % of the total.