To convert a fraction or decimal to a percentage multiply by 100. B2C2100 Hit Enter to get the students score as a percentage of the total possible points. Now to calculate the percentage we have to know its formula.
To calculate the sales tax that is included in receipts from items subject to sales tax divide the receipts by 1 the sales tax rate.
The formula to calculate percentage of a number out of another number is. P X Y. 45150 x 100 30. The term per cent is derived from the Latin per centum meaning by the hundred.