58/84 expressed as a percentage is 69.05%. This rounded value gives you a quick sense of how large the fraction is compared to a whole.
The fraction 58/84 can be simplified to 29/42, which still represents the same portion of a whole. Whether you write it as a fraction or a percentage, the value stays the same.
Knowing the percentage is handy for everyday tasks like calculating discounts, measuring progress, or comparing parts of a whole. A figure of 69.05% tells you that a little more than two‑thirds of something is covered.