-43.56% is the change from 489 to 276
Calculation steps:
[( 276 - 489 ) ÷ 489] x 100 = -43.56%
Formula
Percentage change = [(276 - 489) / 489] x 100
Subtract the new number by the original number
276 - 489 = -213
-213 ÷ 489 = -0.43558282208588955
-0.43558282208588955 x 100 = -43.56%