55 Percent. Five percent (5%) means 5 per 100 = 0.05. 5% is a fractional representation of a value, which snifies 5 parts out of 100. For example, if the value is 100, then 5% of that value would be 5 (100 multiplied by 5% or 0.05).Learn about the number 5 in maths, its definition, fun facts, and how to count to 5 with examples and songs. Find out why 5 is a cool and special number in the number system and in culture