Write the following as a percentage:

$83:100$

Write the following as a percentage

$\frac{98}{100}=k\%$, then find the value of $k$.

Write $\frac{99}{100}$ as a percentage.

Write $150:100$ as a percentage.

Write the following as a percentage:

$\frac{225}{100}$

Convert the given percentage into a fraction:
$1\%$

Convert $10\%$ into a fraction with $100$ in denominator.

Convert  percentage into a fraction with $100$ as the denominator

$28\%$

Convert $40\%$ into a fraction without simplifying.