Answer: The required percent change is 193.43%.
Step-by-step explanation: We are given to find the percent change of 13.7 to 40.2.
We know that
the percent change from x to y is given by

In the given question, we have
x = 13.7 and y = 40.2.
Therefore, the percent change from 13.7 to 40.2 is given by

Thus, the required percent change is 193.43%.