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 mathematics, science, history, and culture. Discover its snificance in Fibonacci sequence, boron, senses, Olympics, Hinduism, perfume, Mozart,