

Russia after Yeltsin
Russia during Yeltsin rolled in the tanks on its own parliament. The absence of foreign invasions was not for lack of malice, but for lack of capability.
The reason why ex-Warsaw Pact countries are flocking to NATO is because when the communists left power, the reactionaries resurged. And naturally the reactionaries in power wanted to be part of a right-wing alliance. But no matter what revanchists might tell you, living standards across Eastern Europe were better in the 1980s than they were in the 2000s.
Those are 2 different questions with 2 different answers.
First one, maybe 25%.
Second one, maybe 2%.