P C O N G R E A T = S u m S h a r e s S q − 1 S u m G r e a t 1 − 1 S u m G r e a t {\displaystyle PCONGREAT={\sqrt {\frac {SumSharesSq-{\frac {1}{SumGreat}}}{1-{\frac {1}{SumGreat}}}}}}
where
<math>SumSharesSq=\sum^{GPowers}(\frac{POWER_{\gamma}}{\sum^{GPOWERS}POWER_{\gamma}})^2
