Percentages
One number as a share of another
Type two. Divide the part by the base and multiply by 100 to convert the ratio back into a percentage.
The Formula
Percentage = Part / Whole x 100
Type two. Divide the part by the base and multiply by 100 to convert the ratio back into a percentage.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| x | The percentage that P is of W | percent | Can exceed 100 when the part is larger than the base, which is legitimate, not an error. |
What Each Symbol Means
xpercent
The percentage that P is of W
Can exceed 100 when the part is larger than the base, which is legitimate, not an error.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate a percentage page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate A Percentage, filed under Math. Every number the guide produces comes from substituting into this one line.