from to ?
Answer: The percentage change is -84.5%.
Let's see how we can calculate this percentage: what is the percentage increase/decrease from 20 to 3.1? Here is a very simple step-by-step guide to find out.
Step 1: We use the following formula:
Step 2: A percentage is a number or ratio expressed as a fraction of 100.
Use the percentage calculator to solve other similar percentage calculation questions.