To calculate 31% of 1999, we need to understand that percent means "per hundred." So, 31% is equivalent to 31/100 or 0.31 when expressed as a decimal.
The filled portion represents 31% of the total bar.
31% of 1999.01 = 619.6931
31% of 1999.02 = 619.6962
31% of 1999.03 = 619.6993
31% of 1999.04 = 619.7024
31% of 1999.05 = 619.7055
31% of 1999.06 = 619.7086
31% of 1999.07 = 619.7117
31% of 1999.08 = 619.7148
31% of 1999.09 = 619.7179
31% of 1999.1 = 619.721
31% of 1999.11 = 619.7241
31% of 1999.12 = 619.7272
31% of 1999.13 = 619.7303
31% of 1999.14 = 619.7334
31% of 1999.15 = 619.7365
31% of 1999.16 = 619.7396
31% of 1999.17 = 619.7427
31% of 1999.18 = 619.7458
31% of 1999.19 = 619.7489
31% of 1999.2 = 619.752
31% of 1999.21 = 619.7551
31% of 1999.22 = 619.7582
31% of 1999.23 = 619.7613
31% of 1999.24 = 619.7644
31% of 1999.25 = 619.7675
31% of 1999.26 = 619.7706
31% of 1999.27 = 619.7737
31% of 1999.28 = 619.7768
31% of 1999.29 = 619.7799
31% of 1999.3 = 619.783
31% of 1999.31 = 619.7861
31% of 1999.32 = 619.7892
31% of 1999.33 = 619.7923
31% of 1999.34 = 619.7954
31% of 1999.35 = 619.7985
31% of 1999.36 = 619.8016
31% of 1999.37 = 619.8047
31% of 1999.38 = 619.8078
31% of 1999.39 = 619.8109
31% of 1999.4 = 619.814
31% of 1999.41 = 619.8171
31% of 1999.42 = 619.8202
31% of 1999.43 = 619.8233
31% of 1999.44 = 619.8264
31% of 1999.45 = 619.8295
31% of 1999.46 = 619.8326
31% of 1999.47 = 619.8357
31% of 1999.48 = 619.8388
31% of 1999.49 = 619.8419
31% of 1999.5 = 619.845
31% of 1999.51 = 619.8481
31% of 1999.52 = 619.8512
31% of 1999.53 = 619.8543
31% of 1999.54 = 619.8574
31% of 1999.55 = 619.8605
31% of 1999.56 = 619.8636
31% of 1999.57 = 619.8667
31% of 1999.58 = 619.8698
31% of 1999.59 = 619.8729
31% of 1999.6 = 619.876
31% of 1999.61 = 619.8791
31% of 1999.62 = 619.8822
31% of 1999.63 = 619.8853
31% of 1999.64 = 619.8884
31% of 1999.65 = 619.8915
31% of 1999.66 = 619.8946
31% of 1999.67 = 619.8977
31% of 1999.68 = 619.9008
31% of 1999.69 = 619.9039
31% of 1999.7 = 619.907
31% of 1999.71 = 619.9101
31% of 1999.72 = 619.9132
31% of 1999.73 = 619.9163
31% of 1999.74 = 619.9194
31% of 1999.75 = 619.9225
31% of 1999.76 = 619.9256
31% of 1999.77 = 619.9287
31% of 1999.78 = 619.9318
31% of 1999.79 = 619.9349
31% of 1999.8 = 619.938
31% of 1999.81 = 619.9411
31% of 1999.82 = 619.9442
31% of 1999.83 = 619.9473
31% of 1999.84 = 619.9504
31% of 1999.85 = 619.9535
31% of 1999.86 = 619.9566
31% of 1999.87 = 619.9597
31% of 1999.88 = 619.9628
31% of 1999.89 = 619.9659
31% of 1999.9 = 619.969
31% of 1999.91 = 619.9721
31% of 1999.92 = 619.9752
31% of 1999.93 = 619.9783
31% of 1999.94 = 619.9814
31% of 1999.95 = 619.9845
31% of 1999.96 = 619.9876
31% of 1999.97 = 619.9907
31% of 1999.98 = 619.9938
31% of 1999.99 = 619.9969
