6.34% is the change from 489 to 520
Calculation steps:
[( 520 - 489 ) ÷ 489] x 100 = 6.34%
Formula
Percentage change = [(520 - 489) / 489] x 100
Subtract the new number by the original number
520 - 489 = 31
31 ÷ 489 = 0.06339468302658487
0.06339468302658487 x 100 = 6.34%