-48.88% is the change from 489 to 250
Calculation steps:
[( 250 - 489 ) ÷ 489] x 100 = -48.88%
Formula
Percentage change = [(250 - 489) / 489] x 100
Subtract the new number by the original number
250 - 489 = -239
-239 ÷ 489 = -0.4887525562372188
-0.4887525562372188 x 100 = -48.88%