suppose the value of x varies from x = a to x = b . there are at least two ways of thinking about what percent x changed by. we'll explore two of them here.

The change in the value of x, as a percentage, is given by:

The percentage change is given by the change multiplied by 100% and divided by the initial value.

In this question, x varies from  to , which means that the initial value is a, and the change is b - a. Then, the percentage chance in the value of x is given by

Explanation:

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