1/4 to 1/2 find the percent of change-increase or decrease

The percent of change would be -33.3% which would then equal a 33.3% decrease (when decimal is rounded) 

what I did was turn 1/4 and 1/2 into decimals to make it easier to solve 

It's a decrease 1/4 to 1/2 is a decrease

Where’s the following prism