- Hi , As what you see in the pie chart below:

- the red pencentage part is 1 % (the count of this part is 2), and the grass green part is 99.33%( the count of this part is 198)
- So the red ->1% is got by A /(A +B) => 2 / (2+1988) , The grass green -> 99% is got by B / (A +B) => 198 / (2+198)
- My problem is how to change the red part => A/B , the grass green => 1- (A/B) ????