Percent Proportions

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (in decimal form) and then divide by 100.

Front

What is the formula to find the total when given a part and its percent?

Back

Total = Part / (Percent / 100) or Total = Part * (100 / Percent).

Front

If 5% of a number is 35, what is the number?

Back

Number = 35 / (5 / 100) = 700.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What is the percent increase formula?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100.

Front

What is the percent decrease formula?

Back

Percent Decrease = ((Original Value - New Value) / Original Value) * 100.

Front

If you scored 60 out of 75 on a test, how do you find your percent grade?

Back

Percent Grade = (60 / 75) * 100 = 80%.

Front

What does it mean if 34% of a number is 51?

Back

It means that 51 is 34% of that number, and you can find the number using the formula: Number = 51 / (34 / 100).

Front

How do you find what percent one number is of another?

Back

To find what percent one number (A) is of another number (B), use the formula: (A / B) * 100.