446. 7.77%
First, to convert 
to a decimal, divide 777 by 10,000. This is equivalent to moving the decimal point 4 places to the left.
Now, change this decimal to a percent by moving the decimal point two places to the right and attaching a percent sign (%).
447. 100.1%
First, change 
to a mixed number.
To convert 
to a decimal, divide 1,001 by 1,000. This is equivalent to moving the decimal point 3 places to the left.
Now, change this decimal to a percent by moving the decimal point two places to the right and attaching a percent sign (%).
448. 10
50% equals 
, so divide 20 by ...
