Question

How do you find percent change??

Answer 1

To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage decrease

Answer 2

To find percent change find the difference between the two numbers. Then, set up a proportion.

difference is to smaller number as x is to 100. 
Cross multiply and solve for x.

Hope this helps!