It is a 16% increase
Per cent means /cent perhaps /100 0.25 = 0.25 * 1 = 0.25 * 100 / 100 = 25 / 100 = 25 /cent = 25 percent = 25%
Cent cent cent cent cent nickel nickel nickel nickel ....,.., not possible
25 cent and 10 cent and 1 cent
25% of 6500 = 1625