Engine dyno - measurements are taken directly off the back of the flywheel. Compare this to how it would have looked on the hub dyno when you had your Verso
As has been mentioned several times, there is losses in drivetrain, coming from friction, heat, noise, not to mention the power lost turning everything before it gets to the wheels. There is no set number for drivetrain loss, it will be different for every car. Its also not a percentage, as there is no way a car losing 20% of its power with 200kw (40kw) is losing 20% of its power with 800kw (160kw) through the identical drive train.
We say it on here about every week, a dyno is useful for comparison ONLY with the exact same dyno under the exact same conditions. Comparing against different dynos in different locations will always lead to butthurt