Find what percentage a part is of a total.
The part is divided by the total and expressed as a percentage.
Percentage: Part ÷ Total × 100
What share of the whole does this part make up? That is the question this calculator answers. You enter a part and a total, and it returns part ÷ total × 100 as a percentage. If ₹4,500 of a ₹30,000 monthly budget goes on groceries, groceries are 15% of the budget.
It is the tool for turning raw counts into comparable shares: marks scored out of the maximum, votes won out of votes polled, a product's sales out of total sales, a department's headcount out of the company's, or one expense category out of your monthly spending. Percentages let you compare groups of different sizes on the same scale, which is why they appear in board results, election reports, company reports and household budgets alike.
1. Identify the part, the quantity you are interested in, and the total, the whole it belongs to.
2. Check that both are in the same unit and cover the same period or group.
3. Divide the part by the total.
4. Multiply by 100: percentage = part ÷ total × 100.
5. Round to a sensible number of decimal places.
6. If you have several parts of the same total, check that their percentages add up to about 100%.
Per cent means per hundred. Dividing the part by the total gives a fraction of the whole, such as 0.15. Multiplying by 100 rescales it to how many parts there would be if the total were exactly 100. This is why percentages from very different totals, say 45 out of 60 and 600 out of 800, can be compared directly: both are 75%. The calculation is a proportion, part ÷ total = x ÷ 100, solved for x.
The calculator does not force the part to be smaller than the total. If this month's sales are 1,50,000 against a target of 1,20,000, the part is 125% of the total, which is meaningful. A negative part gives a negative percentage, which can make sense for losses. If the total is zero, the division has no meaning, and the calculator shows not defined rather than a number. Always check that the total you use is the right base.
Percentage of total compares a part with its whole at one point in time. Percentage change compares a new value with an old value: (new − old) ÷ old × 100. They answer different questions. If a shop's online sales rise from ₹2 lakh to ₹3 lakh while total sales are ₹10 lakh, online sales are 30% of the total, but they grew by 50%. Mixing the two is a common source of misleading headlines.
Of the ₹42,000 that Kavya spent last month, ₹9,660 went on rent and electricity, and she wants to see what share of her spending that is.
Answer: Percentage of total 23%
Swapping part and total, which gives a figure like 435% instead of 23%.
Using the wrong total, such as marks in one subject divided by the maximum for all subjects.
Averaging percentages from groups of different sizes instead of adding parts and totals first.
Mixing units or periods, such as a monthly expense against an annual income.
Reading a share of total as a growth rate, or the other way round.
Converting exam marks into percentages for admission and scholarship forms.
Tracking how much of a household or company budget goes to each category.
Finding vote share, market share or attendance share from counts.
Reporting what part of a target has been achieved in sales or fundraising.
Preparing pie charts, where each slice is a percentage of the total.
Can this be over 100%?
Yes, if the 'part' you enter is actually bigger than the 'total'. The calculator does not assume the part has to be smaller.