First you disconnect the dampers and use some setup rims. Place the car on a setup board and setup blocks and the rims on the scales, in this way you can adjust the anti rollbar:
Front:
After chaging:
Rear:
After changing:
Connect the dampers and set the springtension. The base formula is LeftFront+RightRear = RightFront+LeftRear
But the ideal situation is LeftFront = RightFront and LeftRear = RightRear
But if the car is not in balance you can use the formula for the ideal situatio with the same difference