375 is what percent of 125?

Solution:
1. To find what percent one number is of another, use the formula:
- Percent = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100

2. Here, the part is 375 and the whole is 125:
- Percent = \left( \frac{375}{125} \right) \times 100

3. Simplify the expression:
- \frac{375}{125} = 3

4. Multiply by 100 to find the percent:
- Percent = 3 \times 100 = 300

5. Therefore, 375 is 300% of 125.