To find 15 percent of 300, you can use a simple formula. First, convert the percentage to a decimal. To do this, divide 15 by 100, which gives you 0.15. Next, multiply this decimal by 300:
0.15 × 300 = 45
Therefore, 15 percent of 300 is 45. This method can be applied to calculate any percentage of a number by following the same steps.