https://www.researchgate.net/post/how_to_calculate_FAME_conversion_yield_from_GC_peak_area_after_enzymatic_transesterification

For a single reaction, the conversion equals the yield. In the case of conversion, we take the difference between the initial value (mass/number of moles of the reference substrate) and the current value and divide by the initial value.

Kindly check https://www.nrcresearchpress.com/doi/pdf/10.1139/v62-362

Also check https://www.researchgate.net/publication/225580698_Improved_synthesis_of_sucrose_fatty_acid_monoesters

Hi

The calculating methods for relative percentages are well explanined in the following paper:

https://doi.org/10.1007/s12161-021-02203-0

I hope this helps!