Percentage Calculator

How to use it

1. {'step': 1, 'description': 'Convert percentage to decimal: 18.5 ÷ 100 = 0.185'}
2. {'step': 2, 'description': 'Multiply value by decimal: 247.50 × 0.185 = 45.7875'}
3. {'step': 3, 'description': 'Calculate remainder: 247.50 - 45.7875 = 201.7125'}
4. {'step': 4, 'description': 'Result: 18.5% of 247.50 equals 45.79, remainder is 201.71'}

Common mistakes

• ⚠️ Forgetting to divide percentage by 100 before multiplying
• ⚠️ Confusing percentage of value with percentage increase/decrease
• ⚠️ Not accounting for rounding when dealing with currency

Worked example

Calculate 20% of 150.

The result shows {result} is the portion representing the percentage, while remainder ({resto}) is what remains after removing that percentage from the original value.

Input guide