what is the percent of change of 450 centimeters to 675 centimeters

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(1) Answers

BettieZumbrunnen

The change is (675cm - 450cm) = +225cm .
The fraction of the original amount is +225cm/450cm = + 0.5 .
To change a decimal into a percent,
move the decimal point two places that way ==> .
+ 0.5 = + 50% .