The result of $72.8 \div 100$ is:

$72.8 \div 100 = 0.728$

Would you like more details or have any other questions?

Here are some related questions:

1. What is $72.8 \times 100$?
2. How do you convert a percentage to a decimal?
3. What is $0.728 \times 100$?
4. How would you divide 0.728 by 10?
5. How do you express $72.8\%$ as a fraction?

Tip: Dividing a number by 100 is the same as shifting the decimal point two places to the left.