To calculate 25% of 1988, we need to understand that percent means "per hundred." So, 25% is equivalent to 25/100 or 0.25 when expressed as a decimal.
The filled portion represents 25% of the total bar.
25% of 1988.01 = 497.0025
25% of 1988.02 = 497.005
25% of 1988.03 = 497.0075
25% of 1988.04 = 497.01
25% of 1988.05 = 497.0125
25% of 1988.06 = 497.015
25% of 1988.07 = 497.0175
25% of 1988.08 = 497.02
25% of 1988.09 = 497.0225
25% of 1988.1 = 497.025
25% of 1988.11 = 497.0275
25% of 1988.12 = 497.03
25% of 1988.13 = 497.0325
25% of 1988.14 = 497.035
25% of 1988.15 = 497.0375
25% of 1988.16 = 497.04
25% of 1988.17 = 497.0425
25% of 1988.18 = 497.045
25% of 1988.19 = 497.0475
25% of 1988.2 = 497.05
25% of 1988.21 = 497.0525
25% of 1988.22 = 497.055
25% of 1988.23 = 497.0575
25% of 1988.24 = 497.06
25% of 1988.25 = 497.0625
25% of 1988.26 = 497.065
25% of 1988.27 = 497.0675
25% of 1988.28 = 497.07
25% of 1988.29 = 497.0725
25% of 1988.3 = 497.075
25% of 1988.31 = 497.0775
25% of 1988.32 = 497.08
25% of 1988.33 = 497.0825
25% of 1988.34 = 497.085
25% of 1988.35 = 497.0875
25% of 1988.36 = 497.09
25% of 1988.37 = 497.0925
25% of 1988.38 = 497.095
25% of 1988.39 = 497.0975
25% of 1988.4 = 497.1
25% of 1988.41 = 497.1025
25% of 1988.42 = 497.105
25% of 1988.43 = 497.1075
25% of 1988.44 = 497.11
25% of 1988.45 = 497.1125
25% of 1988.46 = 497.115
25% of 1988.47 = 497.1175
25% of 1988.48 = 497.12
25% of 1988.49 = 497.1225
25% of 1988.5 = 497.125
25% of 1988.51 = 497.1275
25% of 1988.52 = 497.13
25% of 1988.53 = 497.1325
25% of 1988.54 = 497.135
25% of 1988.55 = 497.1375
25% of 1988.56 = 497.14
25% of 1988.57 = 497.1425
25% of 1988.58 = 497.145
25% of 1988.59 = 497.1475
25% of 1988.6 = 497.15
25% of 1988.61 = 497.1525
25% of 1988.62 = 497.155
25% of 1988.63 = 497.1575
25% of 1988.64 = 497.16
25% of 1988.65 = 497.1625
25% of 1988.66 = 497.165
25% of 1988.67 = 497.1675
25% of 1988.68 = 497.17
25% of 1988.69 = 497.1725
25% of 1988.7 = 497.175
25% of 1988.71 = 497.1775
25% of 1988.72 = 497.18
25% of 1988.73 = 497.1825
25% of 1988.74 = 497.185
25% of 1988.75 = 497.1875
25% of 1988.76 = 497.19
25% of 1988.77 = 497.1925
25% of 1988.78 = 497.195
25% of 1988.79 = 497.1975
25% of 1988.8 = 497.2
25% of 1988.81 = 497.2025
25% of 1988.82 = 497.205
25% of 1988.83 = 497.2075
25% of 1988.84 = 497.21
25% of 1988.85 = 497.2125
25% of 1988.86 = 497.215
25% of 1988.87 = 497.2175
25% of 1988.88 = 497.22
25% of 1988.89 = 497.2225
25% of 1988.9 = 497.225
25% of 1988.91 = 497.2275
25% of 1988.92 = 497.23
25% of 1988.93 = 497.2325
25% of 1988.94 = 497.235
25% of 1988.95 = 497.2375
25% of 1988.96 = 497.24
25% of 1988.97 = 497.2425
25% of 1988.98 = 497.245
25% of 1988.99 = 497.2475