2.66% is the change from 489 to 502
Calculation steps:
[( 502 - 489 ) ÷ 489] x 100 = 2.66%
Formula
Percentage change = [(502 - 489) / 489] x 100
Subtract the new number by the original number
502 - 489 = 13
13 ÷ 489 = 0.026584867075664622
0.026584867075664622 x 100 = 2.66%