The decimal number field provides some formatting options.
Number
Format the value as a number, this is the default behavior. Optionally, you can set a number of decimal places.
Currency
Format the value as a currency, select Currency to change the currency.
Percentage
Format the value as a percentage.
Rating
Format the value as a rating. Stars are used by default as the input method.
Progress bar
Format the value as a progress bar. Value is a percentage between 0 and 100.