what percentage do taxpayers pay into calpers
CalPERS Retirement Contributions: 1  Employees contribute a percentage of gross monthly income minus the applicable offset amount (Gross Income - offset amount x applicable 2  %). Employees in retirement formulas 2% at 62, and 2% at 57 and 2.5% at 57 are not subject to the offset amount. 3  The contribution is not subject to federal and state taxes.