There is no such formula, but there is a procedure. Unfortunately,
it's too complicated to try and describe here, using only text.
Radicals can be turned into decimals by finding their square root.
7.3
A radical number is a number with a decimal. so a radical expression would be like 5 raised to the 2.5 power.
13.8564
You turn a fraction into a decimal by dividing the top number by the bottom. And you turn a decimal into a percent by multiplying the decimal by 100.
The formula for the sulfate ion is SO4^2-.
It is a decimal.
The chemical formula for thiosulfate radical is S2O3^2-. It consists of a central sulfur atom bonded to three oxygen atoms in a trigonal planar arrangement.
0.604 is a decimal!
23.8 is a decimal.
0.45 is a decimal.
To turn a fraction into a decimal, simply divide the numerator by the denominator.