The order does not matter if you are dropping the sign taking the absolute value. Refer to the equations below for clarification. There are numerous percentage calculators online that can help with task by simply searching for percentage calculator However there may be a time when however unlikely it sounds you may need to be able to calculate percentages without any digital assistance.
The percent error measures FROM the first value.
Divide the target demographic by the entire population and then multiply the result by 100 to convert it to a percentage. We can expresss the percent error with the following formula shown below. This formula is similar to percentage change. Where E is the experimental value and T is the theoretical value.