#Find percentage plus#

#Find percentage plus#

statistics: the margin of error is plus or minus four percentage points.interest rate changes: interest rates rose one percentage point from 4.5% to 5.5%.interest rates charged by credit card companies and mortgage companies are shown as an annual percentage rate.interest rates for savings accounts are typically shown as an annual percentage rate (apr): 1.5% apr.sales tax is typically a percentage of purchase price: 8% sales tax.

The percentage formula is sometimes expressed as: If any two of the variables are known, the third variable can be calculated.įormula used to solve percentage problems that relates two ratios where one of the ratios is a part or portion per 100 and the other ratio is a part or portion per a whole.Ī% of B is C as in: 10% of 90 is 9 where A=10, B=90, C=9 The percentage formula contains three variables. An exception is percentage points (example: 2 percentage points).Ĭalculator or tool that uses the percentage formula to solve for a desired value in that formula. The word percent is typically used with a number (example: 10 percent) while percentage is typically not used with a number (example: what percentage of the marbles are red?). It comes from per cent which is short for per centum which means per hundred.ġ percent (1%) = 1 part per 100 = 1/100 = 0.01 (a portion less than a whole)ġ00 percent (100%) = 100 parts per 100 = 100/100 = 1 (a portion equal to a whole)ġ10 percent (110%) = 110 parts per 100 = 110/100 = 1.1 (a portion greater than a whole)Īn amount per 100 that refers to a portion of a whole (in a general way) typically without using a specific number. It can be used to describe a portion of a whole or part of a whole. Abs(One Value - Another Value) abs((One Value + Another Value)/2) x 100%