The formula you will use to calculate the percentage value is: divide the specific part by the total amount, and multiply by one hundred.

Practice calculating percentages with real-world problems. Learn percentage formulas, discount problems, and step-by-step solutions to build confidence.
The formula you will use to calculate the percentage value is: divide the specific part by the total amount, and multiply by one hundred.
And now? Examples:
Michal bought cupcakes for her birthday party. She couldn't resist waiting for her friends to arrive, and ate cupcakes by herself before they came. What percentage of the cupcakes did she eat?
Solution
Total number of cakes:
The number of cakes she ate:
The calculation:
Lana's friends wanted to treat her with a birthday gift! They were interested in a dress that costs about Dollars, but the seller gave them a special discount of about Dollars. What percentage discount did Lana's friends receive?
Solution
Calculate 35% of 100:
Calculate 95% of 100:
In order to calculate 15% of 100, start by converting the percentage into a decimal. Convert 15% to a decimal:
Then multiply the decimal by 100 to find the percentage value:
So, 95% of 100 is .
Answer:
Calculate 75% of 100:
In order to calculate 75% of 100, we must first convert the percent into a decimal. Convert 75% to a decimal: .
Then multiply by the whole number: .
Therefore, 75% of 100 is .
Answer:
Calculate 20% of 100:
In order to determine 20% of 100, we begin by converting the percentage into a decimal and then proceed to multiply by the whole number. First, convert 20% to a decimal:
Next, multiply this decimal by 100 to find the percentage of the whole number:
Thus, 20% of 100 is .
Answer:
Calculate 50% of 100:
In order to determine 50% of 100, we first convert the percentage into a decimal. Convert 50% to a decimal: .
Next, multiply the decimal by 100 to get the percentage value: .
Therefore, 50% of 100 is .
Answer:
Calculate 75 over 100 as a percentage:
In order to determine the percentage of 75 out of 100, apply the percentage formula:
Substitute the specific values:
The equation simplifies to:
Therefore, 75 out of 100 is equivalent to 75%.
Answer:
75%