SSJ2 multiplier (anime)

[Hector]

Perfect Cell (true speed)- 100
SSJ Gohan- 100
SSJ2 Gohan (initial)- 150
Perfect Cell (anime filler)- 150
SSJ2 Gohan (full power)- 400
Perfect Cell (full power)- 250
Super Perfect Cell- 375

SSJ Gohan (Buu Saga)- 100
SSJ2 Gohan (Budokai)- 300
SSJ2 Gohan (Dabura)- 250
SSJ2 Gohan (rage)- 400

 

[Fantastische Hure]

Further helped by the fact that Cell could keep track of Gohan('s speed) when he was owning the Cell Jr.s