Yeah....honestly Vegetas planet buster should be > Gyraikku Hou...
Based on this theory my list would be
Frieza Saga
Kuririn 200,000
Gohan 250,000
Vegeta 500,000
Frieza (1st) 530,000
Frieza (2nd) 1,060,000
Gohan (Rage) 1,180,000
Frieza (2nd Power Up) 1,450,000
Piccolo 400,000
Piccolo (Fusion W/Nail) 1,500,000
Frieza (FP, 2nd) 1,750,000
Piccolo (FP) 2,000,000
Frieza (Third) 3,500,000
Gohan (Rage) 3,000,000
Vegeta 5,000,000
Frieza (Final Form) 11,000,000
Goku 10,000,000
Tenshinhan 70,000
Yamcha 45,000
Chiaotzu 6000
Goku (KKX10) 100,000,000
Goku (KKX20) 200,000,000
Super Saiyan Goku 500,000,000
100% Frieza 475,000,000
Super Saiyan Goku (Kamehameha) 800,000,000
100% Frieza (Nova Strike) 900,000,000
100% Frieza (Tired) 400,000,000
Frieza (Sliced In Two) 30,000,000
I would put Yardrat Goku at a billion and Goku at 4bil during the android saga...