Yes but very bad calculus ...
Initial impulsive wave : 0,0045
Final impulsive wave : 0,0225
Long wave : 0,0225 - 0,0045 = 0,018 ok?
61,8% * 0,018 = 0,01124
0,0225 - 0,01124 = 0,011376 ... with only 4 decimals 0,0114
61,8% retracement is exactly 0,0114 .