-41.72% is the change from 489 to 285
Calculation steps:
[( 285 - 489 ) ÷ 489] x 100 = -41.72%
Formula
Percentage change = [(285 - 489) / 489] x 100
Subtract the new number by the original number
285 - 489 = -204
-204 ÷ 489 = -0.4171779141104294
-0.4171779141104294 x 100 = -41.72%