27.4% is the change from 489 to 623
Calculation steps:
[( 623 - 489 ) ÷ 489] x 100 = 27.4%
Formula
Percentage change = [(623 - 489) / 489] x 100
Subtract the new number by the original number
623 - 489 = 134
134 ÷ 489 = 0.2740286298568507
0.2740286298568507 x 100 = 27.4%