They do not relate in that fashion.
To change decimal to percent: Multiply the decimal by 100%.
You can change a decimal into a fraction or a percentage
you can change a fraction to a decimal by dividing the bottom number into the top number.
0.5 is a decimal so therefore you cant change a decimal to a decimal. But, 0.5 as a number is 5.
You change three percent to a decimal.
It goes on forever in a non-repeating fashion.
2.625 is a decimal.
8.4 is a decimal.
it is already a decimal
1.25 is a decimal.
3.45 is a decimal.