49/70 as a percentage is 70.00%. This number tells you how much of a whole 49 out of 70 represents when the whole is expressed as 100 %.
The fraction 49/70 can be reduced by dividing both the numerator and the denominator by 7, giving 7/10. That shows the same value in a simpler form, and 7 out of 10 is exactly seven‑tenths of a whole.
When you see 70.00% on a chart or a report, you know it’s the same as saying the portion is seven‑tenths, or 0.7 in decimal form. It’s a quick way to compare parts of different totals.