To find out what 15 out of 25 is as a percentage, you can follow these simple steps:
1. **Divide the part by the whole**:
\[ \frac{15}{25} = 0.6 \]
2. **Multiply the result by 100 to get the percentage**:
\[ 0.6 \times 100 = 60\% \]
So, 15 out of 25 is **60%**. This means that 15 is 60% of 25.