To find the percentage decrease in the number of people who went to the beach, we can use the following formula:
\[ \text{Percentage Decrease} = \frac{\text{Old Number} - \text{New Number}}{\text{Old Number}} \times 100 \]
In this case:
- The old number (last week) is 1,169.
- The new number (this week) is 963.
Now, plug the values into the formula:
\[ \text{Percentage Decrease} = \frac{1169 - 963}{1169} \times 100 \]
First, calculate the difference:
\[ 1169 - 963 = 206 \]
Next, divide by the old number:
\[ \frac{206}{1169} \approx 0.1762 \]
Now, multiply by 100 to convert it to a percentage:
\[ 0.1762 \times 100 \approx 17.62 \]
Thus, the number of people who went to the beach fell by approximately 17.62%.