**RD Sharma Solutions for Class 8 Chapter 12 Percentage. In mathematics, a percentage is a number or ratio expressed as a fraction of 100. One per cent is one-hundredth of a whole. It can therefore be written as both a decimal and a fraction. To write a percentage as a decimal, easily divide it by 100. For example, 50% becomes 0.5, 20% becomes 0.2, 1% becomes 0.01 and so on. Let us have a look at the concepts discussed in this chapter.**

- Express per cent as a fraction.
- Express per cent as a ratio.
- Express per cent in decimal form.
- Finding a percentage of a number.