Can someone explain how they found these values from absorption?

In[CV] Time (s) 0 5 10 15 20 25 30 60 90 120 150 180 210 240 270 300 330 360 390 420 Abs [CV1 (OD) (x10 M) 1.17 6.15 1.14 6.00 1.10 5.79 1.06 5.58 1.02 5.37 0.988 5.20 0.946 4.97 0.802 4.22 0.667 3.51 0.553 2.91 0.461 2.42 0.385 2.02 0.321 1.68 0.270 1.42 0.226 1.18 0.191 1.00 0.160 0.842 0.136 0.715 0.116 0.610 0.101 0.531 -12.0 -12.0 -12.0 -12.1 -12.1 -12.2 -12.2 -12.4 -12.6 -12.7 -12.9 -13.1 -13.3 -13.5 -13.6 -13.8 -14.0 -14.1 -14.3 -14.5 1/[CV] (x105) 1.62 1.67 1.73 1.79 1.86 1.92 2.00 2.36 2.84 3.43 4.12 4.93 5.91 7.03 8.40 9.94 11.8 13.9 16.3 18.8