Sorry. Evidently I can not help you. You are not answering questions and not being clear about what you want to do.. You posted your aia with no explanation.
Did you try modifying the sliders as indicated? Modifying the sliders allows you send negative values to the Bluetooth.
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You asked a similar question here Send Json to Arduino (ESP32) serial via Bluetooth (need a little help here please) - #14 by Juan_Antonio , Sorry, the community does not understand what you hope to do. 
Perhaps if you draw a picture showing what you want to calculate?