The formula to calculate the percentage decrease is:
\[ \% \text{ Decrease} = \left(\frac{\text{IV} - \text{FV}}{\text{IV}}\right) \times 100 \]
Where:
A percent decrease is a total ratio of the reduction of a value from its initial value to some final value.
Let's assume the following:
Step 1: Calculate the percent decrease:
\[ \% \text{ Decrease} = \left(\frac{100 - 75}{100}\right) \times 100 = 25\% \]
Therefore, the percent decrease is 25%.