To calculate 31% of 1997, 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 1997.01 = 619.0731
31% of 1997.02 = 619.0762
31% of 1997.03 = 619.0793
31% of 1997.04 = 619.0824
31% of 1997.05 = 619.0855
31% of 1997.06 = 619.0886
31% of 1997.07 = 619.0917
31% of 1997.08 = 619.0948
31% of 1997.09 = 619.0979
31% of 1997.1 = 619.101
31% of 1997.11 = 619.1041
31% of 1997.12 = 619.1072
31% of 1997.13 = 619.1103
31% of 1997.14 = 619.1134
31% of 1997.15 = 619.1165
31% of 1997.16 = 619.1196
31% of 1997.17 = 619.1227
31% of 1997.18 = 619.1258
31% of 1997.19 = 619.1289
31% of 1997.2 = 619.132
31% of 1997.21 = 619.1351
31% of 1997.22 = 619.1382
31% of 1997.23 = 619.1413
31% of 1997.24 = 619.1444
31% of 1997.25 = 619.1475
31% of 1997.26 = 619.1506
31% of 1997.27 = 619.1537
31% of 1997.28 = 619.1568
31% of 1997.29 = 619.1599
31% of 1997.3 = 619.163
31% of 1997.31 = 619.1661
31% of 1997.32 = 619.1692
31% of 1997.33 = 619.1723
31% of 1997.34 = 619.1754
31% of 1997.35 = 619.1785
31% of 1997.36 = 619.1816
31% of 1997.37 = 619.1847
31% of 1997.38 = 619.1878
31% of 1997.39 = 619.1909
31% of 1997.4 = 619.194
31% of 1997.41 = 619.1971
31% of 1997.42 = 619.2002
31% of 1997.43 = 619.2033
31% of 1997.44 = 619.2064
31% of 1997.45 = 619.2095
31% of 1997.46 = 619.2126
31% of 1997.47 = 619.2157
31% of 1997.48 = 619.2188
31% of 1997.49 = 619.2219
31% of 1997.5 = 619.225
31% of 1997.51 = 619.2281
31% of 1997.52 = 619.2312
31% of 1997.53 = 619.2343
31% of 1997.54 = 619.2374
31% of 1997.55 = 619.2405
31% of 1997.56 = 619.2436
31% of 1997.57 = 619.2467
31% of 1997.58 = 619.2498
31% of 1997.59 = 619.2529
31% of 1997.6 = 619.256
31% of 1997.61 = 619.2591
31% of 1997.62 = 619.2622
31% of 1997.63 = 619.2653
31% of 1997.64 = 619.2684
31% of 1997.65 = 619.2715
31% of 1997.66 = 619.2746
31% of 1997.67 = 619.2777
31% of 1997.68 = 619.2808
31% of 1997.69 = 619.2839
31% of 1997.7 = 619.287
31% of 1997.71 = 619.2901
31% of 1997.72 = 619.2932
31% of 1997.73 = 619.2963
31% of 1997.74 = 619.2994
31% of 1997.75 = 619.3025
31% of 1997.76 = 619.3056
31% of 1997.77 = 619.3087
31% of 1997.78 = 619.3118
31% of 1997.79 = 619.3149
31% of 1997.8 = 619.318
31% of 1997.81 = 619.3211
31% of 1997.82 = 619.3242
31% of 1997.83 = 619.3273
31% of 1997.84 = 619.3304
31% of 1997.85 = 619.3335
31% of 1997.86 = 619.3366
31% of 1997.87 = 619.3397
31% of 1997.88 = 619.3428
31% of 1997.89 = 619.3459
31% of 1997.9 = 619.349
31% of 1997.91 = 619.3521
31% of 1997.92 = 619.3552
31% of 1997.93 = 619.3583
31% of 1997.94 = 619.3614
31% of 1997.95 = 619.3645
31% of 1997.96 = 619.3676
31% of 1997.97 = 619.3707
31% of 1997.98 = 619.3738
31% of 1997.99 = 619.3769
