ETH.Store Graph - Yellow Line in Pop-up shows ETH as nominal value instead of %

[greylobster]

Describe the bug
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To Reproduce
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2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Desktop (please complete the following information):

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• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Phone (please complete the following information):

• OS: [e.g. iOS 14.5]
• App Version [e.g. 22]

Additional context
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