Basic excel financial model

Shareholder XX or YY wants to acquire shares of different entities. The valuation is based on values between basic and top values. The final basic value could be range between basic and top values the difference between final basic and top values is an incremental contingent consideration. This contingent consideration is based on a KPI% achievability which ranges from 0%-100% Accordingly the ownership of XX and YY will vary accordingly Can you give me how much would be ownership of XX and YY based on different scenarios A could be anywhere between range of Basic and Top Value B probabiity of achievement could be from 0- 100% scenario analysis