Can you have a percentage that is greater than $100\%$? If yes, what would it mean? Give an example to explain your reasoning. How would you represent it visually?

Write down the percentage represented by the shaded section of the following grid

The percentage represented by the shaded section of the following grid is $k\%$, find the value of $k$.

The percentage represented by the shaded section of the following grid is $k\%$, find the value of $k$.

The percentage represented by the shaded section of the following grid is $k\frac{1}{3}\%$, find the value of $k$.