70/85 as a percentage is 82.35%. This is the rounded value you get when you express the fraction in percent form, and it’s useful for quick comparisons.
The fraction 70/85 simplifies to 14/17, which is a little less than four‑fifths. In everyday terms, it means you have about 82 out of every 100 parts, so it’s a solid majority.
When you see 82.35% you know the number has been rounded to two decimal places. That level of precision is common in reports, surveys, and other places where a clear, concise figure is needed.