Answer:
0.667
Explanation:
Percentages can be changed to decimals by dividing by 100 (or moving the decimal left two places).
Decimals can be changed to percentages by multiplying by 100 (or moving the decimal right two places).
Because 66.7% is a percentage (and we're converting to a decimal), we divide by 100 and move the decimal left two places so it becomes 0.667.