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how to work out percentage in excel?

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I have a sensor that reads 314 when wet and 144 when dry.
If the sensor reads 229 (50%) what formula do I need to show what the percentage is if 314 is 100% and 144 is 0%  and how do I "convert" 314 to 100% and 144 to 0%?

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  • victor2
    victor2 Posts: 8,104 Ambassador
    Part of the Furniture 1,000 Posts Name Dropper
    =(reading-144)/(314-144) will give an answer between 0 and 1.
    Format that cell as a percentage and you're done.


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