Writing a percentage as a decimal is very useful for quick percentage calculations. For example 32% of 420 is calculated by 0.32 x 420. On this page you will learn how to answer questions like:
This slide show will show how, and why, we can write a percentage as a decimal:
This is a video showing how to convert a percent to a decimal number and back again:
Changing a percentage to a decimal number is a simple as taking off the percent sign and moving the decimal point two places to the left! For example, 32.8% = .328, and 29% = .29!