Not constrained to the interval [0,1], though: The change in the stockmarket was -5 percent or -0.05 perunage today, but +300 percent or +3 perunage over the la

Not constrained to the interval [0,1], though: The change in the stockmarket was -5 percent or -0.05 perunage today, but +300 percent or +3 perunage over the last xyz years.