Who won the most stages, relatively?

Eddy Merckx won the most stages, but he also started 185 stages, which is more than the average rider. So he had more chances than other riders. That's why I wondered: who won the highest percentage of the stages he started? See the list below. There are seven riders with a higher winning percentage than Eddy Merckx, who won 18.4% of his stages, which I'll explain below. See also the overview for the Vuelta and the Giro.

Name Stages won Stages started Ratio
M. Frédérick 1 2 50.000%
R. Pottier 5 16 31.250%
M. Garin 3 12 25.000%
G. Micheletto 1 4 25.000%
Alf. Binda 2 10 20.000%
F. Maertens 15 76 19.737%
E. Merckx 34 185 18.378%
L. Guerra 8 44 18.182%
H. Pélissier 10 56 17.857%
J. Van Dam 3 17 17.647%
M. Cipollini 12 69 17.391%
A. Hamerlinck 2 12 16.667%
A. Pasotti 2 12 16.667%
G. Rossi 1 6 16.667%
C. Laeser 1 6 16.667%
R. Di Paco 11 67 16.418%
T. Pogačar 17 105 16.190%
H. Aucouturier 5 31 16.129%
F. Faber 19 120 15.833%
J. Dortignacq 7 45 15.556%
C. Pélissier 16 103 15.534%
O. Bottecchia 9 58 15.517%
B. Hinault 28 183 15.301%
M. Cavendish 35 231 15.152%
M. Buysse 6 41 14.634%
G. Passerieu 7 48 14.583%
M. Kittel 14 97 14.433%
N. Frantz 20 139 14.388%
W. Generati 1 7 14.286%
L. Trousselier 13 95 13.684%
R. Rivière 5 37 13.514%
O. Lapize 6 45 13.333%
F. Coppi 9 68 13.235%
J. Aerts 12 94 12.766%
J. Schepens 1 8 12.500%
P. Sercu 6 49 12.245%
J. Alavoine 17 139 12.230%
A. Leducq 25 213 11.737%
É. Meulenbergh 9 79 11.392%
T. Steels 9 79 11.392%
T. Merlier 1 9 11.111%
P. Thys 12 110 10.909%
R. Le Grèves 15 140 10.714%
H. Koblet 5 48 10.417%
E. Sels 7 70 10.000%
O. Egg 2 20 10.000%
N. Defilippis 7 71 9.859%
R. Hassenforder 8 84 9.524%
F. Kübler 8 84 9.524%
J. Philipsen 9 95 9.474%
F. Goethals 7 75 9.333%
É. Georget 8 88 9.091%
L. Lucotti 3 33 9.091%
O. Taverne 2 22 9.091%
G. Schulte 1 11 9.091%
H. Van Lerberghe 1 11 9.091%
L. Armstrong 22 243 9.053%
J. Anquetil 16 184 8.696%
R. Matthijs 4 46 8.696%
R. De Breuker 2 23 8.696%
L. Louyet 2 23 8.696%
G. Van Slembrouck 4 47 8.511%
J. Rossius 5 59 8.475%
R. Altig 8 95 8.421%
R. Jacquinot 4 48 8.333%
A. Leoni 1 12 8.333%
K. Litschi 1 12 8.333%
L. Storme 1 12 8.333%
L. Petit-Breton 7 85 8.235%
R. Lapébie 9 112 8.036%
C. Crupelandt 4 50 8.000%
R. Van Steenbergen 4 50 8.000%
F. Moser 2 25 8.000%
M. Pantani 8 101 7.921%
W. van Aert 9 114 7.895%
F. Bitossi 4 51 7.843%
J. Raas 10 128 7.812%
M. Archambaud 10 128 7.812%
H. Martin 5 64 7.812%
M. Dejouhannet 1 13 7.692%
M. Wüst 1 13 7.692%
L. Mottiat 8 105 7.619%
G. Speicher 9 121 7.438%
R. Maes 4 55 7.273%
A. Benoît 4 55 7.273%
G. Bartali 12 167 7.186%
R. Van Looy 7 98 7.143%
B. Girmay 3 42 7.143%
M. Poblet 3 42 7.143%
H. Poppe 1 14 7.143%
A. Trochut 1 14 7.143%
J. Pras 1 14 7.143%
G. Brunero 1 14 7.143%
F. Gaviria 2 29 6.897%
F. Magni 7 102 6.863%
G. Garrigou 8 117 6.838%
A. Darrigade 22 323 6.811%
T. Boonen 6 90 6.667%
O. Defraeye 3 45 6.667%
V. Borgarello 2 30 6.667%
J. Masselis 2 30 6.667%
E. Azzini 1 15 6.667%
A. Rosseel 4 61 6.557%
M. Basso 6 92 6.522%
B. Oosterbosch 3 46 6.522%
G. Servadei 2 31 6.452%
T. Smit 2 31 6.452%
C. Ewan 5 79 6.329%
H. Barthélémy 5 79 6.329%
R. Bellenger 6 95 6.316%
J. van Poppel 9 143 6.294%
C. Guimard 7 112 6.250%
E. Daems 4 64 6.250%
D. Willems 4 64 6.250%
P. Le Drogo 1 16 6.250%
G. Loncke 2 33 6.061%
A. Dossche 3 50 6.000%
D. Abduzhaparov 9 152 5.921%
A. Fournier 2 34 5.882%
W. Godefroot 10 172 5.814%
S. Maes 9 158 5.696%
P. Verhaegen 3 53 5.660%
C. Gaul 10 177 5.650%
F. Gimondi 7 125 5.600%
L. Bobet 11 198 5.556%
M. Molines 1 18 5.556%
A. Desvages 1 18 5.556%
W. Oberbeck 1 18 5.556%
U. Freuler 1 18 5.556%
F. Le Drogo 1 18 5.556%
A. Petacchi 6 110 5.455%
M. De Waele 5 92 5.435%
D. Thurau 6 111 5.405%
E. Bautz 2 37 5.405%
P. Sagan 12 225 5.333%
R. Vietto 8 150 5.333%
R. Van Linden 4 76 5.263%
M. Argentin 2 38 5.263%
M. Cadolle 1 19 5.263%
P. Ferreira 1 19 5.263%
L. Ocaña 9 174 5.172%
A. Greipel 11 219 5.023%
M. Indurain 12 240 5.000%
M. Rasmussen 4 80 5.000%
F. Pélissier 2 40 5.000%
C. van Espen 1 20 5.000%