-28.22% is the change from 489 to 351
Calculation steps:
[( 351 - 489 ) ÷ 489] x 100 = -28.22%
Formula
Percentage change = [(351 - 489) / 489] x 100
Subtract the new number by the original number
351 - 489 = -138
-138 ÷ 489 = -0.2822085889570552
-0.2822085889570552 x 100 = -28.22%