Please help me out Please.

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One month before an election in a metropolitan area, a poll of 660 randomly selected voters showed 54% planning to vote for a certain candidate.  A week later it became known that he had shared inappropriate pictures of himself, and a new poll showed only 52% of 1010 voters supporting him.  Do these results indicate a decrease in voter support for his candidacy.  How do I get z= 0.80?

Apr 19th, 2015

54/100x660=356

52/100x1010=525

this ironically shows increased number of voters to vote him. however the latter survey was conducted to a bigger crowd and since the percentage is dwindling, then those findings translate to a fall out with voters.   525-352=173

173/1010=0.8

Apr 19th, 2015

173/1010 is 0.17. Also, it should have been 525-356 which is 169 and still 169/1010= 0.17

Apr 19th, 2015

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Apr 19th, 2015
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Apr 19th, 2015
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