How to calculate the dry harvest, burning harvest and full harvest in ceramic industry?

According to the shrinkage formula, the total output of dry harvest and burning harvest in ceramic industry is calculated. According to the relevant data, the traditional method is to isostatically press the powder under the specified pressure, then burn it in a kiln, then measure the shrinkage rate, and then adjust the green size according to the shrinkage rate and the specified pressure to organize production. The calculation formula according to the shrinkage rate is (before R-after R) divided by R and multiplied by 100%.