# Question #e2eed

##### 2 Answers

Marie has decreased her calorie intake by

#### Explanation:

First, we need the amount that Marie's calorie intake has decreased

Marie is eating

Now we need to ask the question,:

"What fraction of the initial calorie intake is

To convert a fraction to a percentage, multiply by

Marie is eating

#### Explanation:

To calculate the percentage change:

Step 1. Work out the difference between the two numbers you are comparing. New number minus old number.

Step 2. Divide the difference by the old, original number. If your answer is a negative number then this is a percentage decrease. If it's positive, then it is a percent increase.

Step 3. Multiply by 100%. Notice negative sign doesn't just magically disappear. Rather, it gets turned into the word "decrease".