Which is correct?
The last 1% has taken almost twice the time than what it had taken for the previous 99%

The last 1% has taken almost twice the time than what it took for the previous 99%

Question

Which is correct?
The last 1% has taken almost twice the time than what it had taken for the previous 99%

The last 1% has taken almost twice the time than what it took for the previous  99%

Answer

The second sentence is more correct, but I would change it to read: The last 1% has taken almost twice the time than the previous 99%.