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## How do you do an increase?

**Percentage Change | Increase and Decrease**

- First: work out the difference (increase) between the two numbers you are comparing.
- Increase = New Number – Original Number.
- Then: divide the increase by the original number and multiply the answer by 100.
- % increase = Increase ÷ Original Number × 100.

## What does Ch mean in crochet?

The **chain stitch** (abbreviated ch) is the basis for all crochet. Almost every crochet pattern begins with a chain stitch. If you’re working in rows, your first row is a series of chain stitches, which is not surprisingly called a foundation chain.

## How do you decrease a number by a percentage?

To decrease a number by a percentage amount, **multiply the original amount by 1- the percent of increase**. In the example, Customer A is getting a 20 percent discount. So you first subtract 20 percent from 1, which gives you 80 percent. You then multiply the original 1,000 cost per service by 80 percent.

## How do you add a percentage increase?

**How do I add a percentage increase to a number?**

- Divide the number you wish to increase by 100 to find 1% of it.
- Multiply 1% by your chosen percentage.
- Add this number to your original number.
- There you go, you have just added a percentage increase to a number!