Percentage math tutorials, school and finance examples, formulas, and troubleshooting

Divide numerator by denominator for fractions; move decimal point two places for decimals—verify with calculator.

Change divided by original times 100; increase uses positive sign, decrease negative—watch which value is the base.

Convert percent to decimal, multiply by the number, and round only at the end per your assignment rules.

Divide part by whole, multiply by 100, and label with percent sign—calculator tools automate the division step.