 # Math - How Do I find the percentage of change from one value to another?Part of the Math Series of questions, How Do I...

This calculator requires the use of Javascript enabled and capable browsers. This page and calculator are a combined answer to the question, "How do I find the percentage of change from one value to another?"

This question came to us from a gentleman in Tupelo, Mississippi, who like many of us, had the value of his home go down. The trend of the change is determined by the greater or lesser value of the second number compared to the first. In our example, the first number value is greater than the second so the trend is negative, signified by a minus sign in front of the percentage of change. Enter the numbers of your choice for your own calculation and click on Calculate. You may click on Clear Values to do another.

Why and how? In order to create a simple explanation, here are the individual math steps to follow for percent of change. (Everything is simple when you know how...)
Subtract the first number from the second number (this CAN be a negative number)
Divide the result by the first number
Multiply the result by 100
The result is the percentage change (of the second number to the first) and trend
In our example, the whole number 20 equals a 20 percent change and the minus sign indicates the trend is the value is getting smaller.

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