Some of the content of this guide was modeled after a guide originally created by the Openstax and has been adapted for the GPRC Learning Commons in September 2020. This work is licensed under a Creative Commons BY 4.0 International License .
Calculating Percentages
Check out this presentation by our Math Tutor Dr. Shohreh Rahmati about how to calculate percentages.
Step (1) Write the question as a fraction
Step (1) The question in fraction form is: 18/21
Step (2) Multiply Step (1) by 100: 18/21×100=85.71%
Step (1) Write the question as a fraction: 16/45
Step (2) Multiply Step (1) by 100: 16/45 ×100=35.55%