4.5% is the change from 489 to 511
Calculation steps:
[( 511 - 489 ) ÷ 489] x 100 = 4.5%
Formula
Percentage change = [(511 - 489) / 489] x 100
Subtract the new number by the original number
511 - 489 = 22
22 ÷ 489 = 0.044989775051124746
0.044989775051124746 x 100 = 4.5%