-10.43% is the change from 489 to 438
Calculation steps:
[( 438 - 489 ) ÷ 489] x 100 = -10.43%
Formula
Percentage change = [(438 - 489) / 489] x 100
Subtract the new number by the original number
438 - 489 = -51
-51 ÷ 489 = -0.10429447852760736
-0.10429447852760736 x 100 = -10.43%