# What is the percentage increase/decrease from 355 to 391?

In this article we'll show you how to calculate the percentage increase/decrease from 355 to 391. The calculation is very simple and knowing how to do this will help you calculate futurue increases or decreases in numbers as a percentage without having to search for it (or ask Siri).

In a rush and just need to know the answer? The percentage increase from 355 to 391 is 10.14%.

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## Percentage increase/decrease from 355 to 391?

Working out the percentage increase or decrease between two numbers is a common thing to do. For example, a shop owner that sold 355 t-shirts in October and then sold 391 t-shirts in November. They might want to work out the percentage increase or decrease in sales to see how their store is performing and look for trends or reasons for that change.

Like all types of percentage calculations, the way we work out a percentage increase or decrease between two numbers is pretty simple. The resulting number (the second input) is 391 and what we need to do first is subtract the old number, 355, from it:

391 - 355 = 36

Once we've done that we need to divide the result, 36, by the original number, 355. We do this because we need to compare the difference between the new number and the original:

36 / 355 = 0.10140845070423

We now have our answer in decimal format. How do we get this into percentage format? We multiply 0.10140845070423 by 100:

0.10140845070423 x 100 = 10.14%

We're done! You just successfully calculated the percentage difference from 355 to 391. You can now go forth and use this method to work out and calculate the increase/decrease in percentage of any numbers.

Hopefully this has given you the knowledge needed to go and calculate your own percentage increase or decrease between numbers without the need for Google searches. It's a very good skill to have and working with percentages regularly can help you in other aspects of math, like fractions.

Head back to the percentage calculator to work out any more calculations you need to make or be brave and give it a go by hand.