Question: What is the percentage of days where the low price is greater than the lower channel of Moving Average Envelope for Dow Inc. from December 25, 2021 to January 19, 2022? (Unit: %) (Standard parameters: middle band SMA(20), upper and lower bands +/- 10%) Using unadjusted prices, write down the indicator formula, collect the raw data, calculate the answer, and keep four decimal places. Please list the raw data and key calculation process.
Formula: Middle = SMA_n(P); Upper = Middle * 1.1; Lower = Middle * 0.9
Data:
date,close,low
2021-11-29,56.86000061035156,56.380001068115234
2021-11-30,54.93000030517578,54.40999984741211
2021-12-01,52.7599983215332,52.70000076293945
2021-12-02,53.18000030517578,52.06999969482422
2021-12-03,53.06999969482422,52.72999954223633
2021-12-06,53.880001068115234,53.84000015258789
2021-12-07,54.86000061035156,54.27000045776367
2021-12-08,54.90999984741211,54.77999877929688
2021-12-09,54.38999938964844,53.72499847412109
2021-12-10,54.68000030517578,54.28499984741211
2021-12-13,53.31999969482422,53.06700134277344
2021-12-14,53.880001068115234,53.13800048828125
2021-12-15,54.040000915527344,52.86000061035156
2021-12-16,54.59999847412109,54.27000045776367
2021-12-17,54.09999847412109,53.380001068115234
2021-12-20,53.5099983215332,52.470001220703125
2021-12-21,54.20000076293945,53.900001525878906
2021-12-22,54.22999954223633,53.63999938964844
2021-12-23,55.13999938964844,54.34999847412109
2021-12-27,55.869998931884766,55.16999816894531
2021-12-28,56.630001068115234,55.90999984741211
2021-12-29,57.060001373291016,56.560001373291016
2021-12-30,56.77999877929688,56.72499847412109
2021-12-31,56.720001220703125,56.29499816894531
2022-01-03,56.869998931884766,56.790000915527344
2022-01-04,58.40999984741211,57.09999847412109
2022-01-05,58.34999847412109,58.31499862670898
2022-01-06,58.2400016784668,57.2400016784668
2022-01-07,59.09999847412109,58.43000030517578
2022-01-10,58.400001525878906,57.98500061035156
2022-01-11,59.18000030517578,58.40999984741211
2022-01-12,59.2599983215332,58.88999938964844
2022-01-13,59.93999862670898,59.20700073242188
2022-01-14,60.7400016784668,59.290000915527344
2022-01-18,60.20000076293945,59.56999969482422
2022-01-19,59.84000015258789,59.38999938964844

Indicator data:
date,Upper,Middle,Lower,low
2021-12-27,59.75254978179932,54.32049980163574,48.888449821472165,55.16999816894531
2021-12-28,59.73989980697632,54.30899982452392,48.878099842071535,55.90999984741211
2021-12-29,59.857049865722665,54.41549987792969,48.97394989013672,56.560001373291016
2021-12-30,60.07814989089966,54.61649990081787,49.15484991073608,56.72499847412109
2021-12-31,60.27284994125367,54.79349994659424,49.314149951934816,56.29499816894531
2022-01-03,60.481849899291994,54.983499908447264,49.48514991760254,56.790000915527344
2022-01-04,60.73099983215332,55.20999984741211,49.6889998626709,57.09999847412109
2022-01-05,60.92294971466065,55.38449974060059,49.84604976654053,58.31499862670898
2022-01-06,61.10609981536866,55.55099983215332,49.995899848937995,57.2400016784668
2022-01-07,61.36514976501465,55.78649978637695,50.20784980773926,58.43000030517578
2022-01-10,61.56974983215333,55.97249984741211,50.3752498626709,57.98500061035156
2022-01-11,61.89204986572266,56.265499877929685,50.638949890136715,58.40999984741211
2022-01-12,62.187949714660654,56.53449974060059,50.88104976654053,58.88999938964844
2022-01-13,62.51244958877564,56.82949962615967,51.1465496635437,59.20700073242188
2022-01-14,62.85014976501465,57.13649978637695,51.422849807739254,59.290000915527344
2022-01-18,63.18564989089967,57.441499900817874,51.69734991073609,59.56999969482422
2022-01-19,63.53379999160767,57.75799999237061,51.98219999313355,59.38999938964844

Answer: 100.0