SOLUTION: My first test score was 72%, I did a retake of the test and scored 93%. What is my percentage increase? How do I find the percent increase between the 2 scores? Thanks, Craig

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Question 747036: My first test score was 72%, I did a retake of the test and scored 93%. What is my percentage increase? How do I find the percent increase between the 2 scores?
Thanks,
Craig
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Your increase over the 1st score was
+.93+-+.72+=+.21+
What percent of the 1st score is this increase?
++%28+.21+%2F+.72+%29%2A100+=+.292%2A100+
+.292%2A100+=+29.2+
the percent increase is 29.2%