To calculate 21% of 1971, we need to understand that percent means "per hundred." So, 21% is equivalent to 21/100 or 0.21 when expressed as a decimal.
The filled portion represents 21% of the total bar.
21% of 1971.01 = 413.9121
21% of 1971.02 = 413.9142
21% of 1971.03 = 413.9163
21% of 1971.04 = 413.9184
21% of 1971.05 = 413.9205
21% of 1971.06 = 413.9226
21% of 1971.07 = 413.9247
21% of 1971.08 = 413.9268
21% of 1971.09 = 413.9289
21% of 1971.1 = 413.931
21% of 1971.11 = 413.9331
21% of 1971.12 = 413.9352
21% of 1971.13 = 413.9373
21% of 1971.14 = 413.9394
21% of 1971.15 = 413.9415
21% of 1971.16 = 413.9436
21% of 1971.17 = 413.9457
21% of 1971.18 = 413.9478
21% of 1971.19 = 413.9499
21% of 1971.2 = 413.952
21% of 1971.21 = 413.9541
21% of 1971.22 = 413.9562
21% of 1971.23 = 413.9583
21% of 1971.24 = 413.9604
21% of 1971.25 = 413.9625
21% of 1971.26 = 413.9646
21% of 1971.27 = 413.9667
21% of 1971.28 = 413.9688
21% of 1971.29 = 413.9709
21% of 1971.3 = 413.973
21% of 1971.31 = 413.9751
21% of 1971.32 = 413.9772
21% of 1971.33 = 413.9793
21% of 1971.34 = 413.9814
21% of 1971.35 = 413.9835
21% of 1971.36 = 413.9856
21% of 1971.37 = 413.9877
21% of 1971.38 = 413.9898
21% of 1971.39 = 413.9919
21% of 1971.4 = 413.994
21% of 1971.41 = 413.9961
21% of 1971.42 = 413.9982
21% of 1971.43 = 414.0003
21% of 1971.44 = 414.0024
21% of 1971.45 = 414.0045
21% of 1971.46 = 414.0066
21% of 1971.47 = 414.0087
21% of 1971.48 = 414.0108
21% of 1971.49 = 414.0129
21% of 1971.5 = 414.015
21% of 1971.51 = 414.0171
21% of 1971.52 = 414.0192
21% of 1971.53 = 414.0213
21% of 1971.54 = 414.0234
21% of 1971.55 = 414.0255
21% of 1971.56 = 414.0276
21% of 1971.57 = 414.0297
21% of 1971.58 = 414.0318
21% of 1971.59 = 414.0339
21% of 1971.6 = 414.036
21% of 1971.61 = 414.0381
21% of 1971.62 = 414.0402
21% of 1971.63 = 414.0423
21% of 1971.64 = 414.0444
21% of 1971.65 = 414.0465
21% of 1971.66 = 414.0486
21% of 1971.67 = 414.0507
21% of 1971.68 = 414.0528
21% of 1971.69 = 414.0549
21% of 1971.7 = 414.057
21% of 1971.71 = 414.0591
21% of 1971.72 = 414.0612
21% of 1971.73 = 414.0633
21% of 1971.74 = 414.0654
21% of 1971.75 = 414.0675
21% of 1971.76 = 414.0696
21% of 1971.77 = 414.0717
21% of 1971.78 = 414.0738
21% of 1971.79 = 414.0759
21% of 1971.8 = 414.078
21% of 1971.81 = 414.0801
21% of 1971.82 = 414.0822
21% of 1971.83 = 414.0843
21% of 1971.84 = 414.0864
21% of 1971.85 = 414.0885
21% of 1971.86 = 414.0906
21% of 1971.87 = 414.0927
21% of 1971.88 = 414.0948
21% of 1971.89 = 414.0969
21% of 1971.9 = 414.099
21% of 1971.91 = 414.1011
21% of 1971.92 = 414.1032
21% of 1971.93 = 414.1053
21% of 1971.94 = 414.1074
21% of 1971.95 = 414.1095
21% of 1971.96 = 414.1116
21% of 1971.97 = 414.1137
21% of 1971.98 = 414.1158
21% of 1971.99 = 414.1179