A percent is a rate per 100, so converting it to a decimal means expressing the same quantity in base-ten notation by dividing by 100, or moving the decimal point two places left and retaining zeros as needed (for example, , , and ). This connects percent, hundredths, and decimal place value for comparing quantities and solving proportional problems; the scope is exact, familiar terminating values rather than repeating decimals or more advanced generalized cases.
A percent means “out of 100.” To write a percent as a decimal, divide by , which moves the decimal point two places to the left.
Example: Convert to a decimal.
The zero in shows that is hundredths.
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