Commerce Commerce 1.x Class Reference Formatters percentage
The percentage formatter takes in a floating decimal number (up to 10 decimals) and returns a number formatted value with only the number of decimals necessary, and a % suffix.
For example, inputting 15.2450000 returns 15.245% and 99 returns 99%.
The decimal point and thousands separator are taken from the currently active currency based on context or system configuration.