-50.31% is the change from 489 to 243
Calculation steps:
[( 243 - 489 ) ÷ 489] x 100 = -50.31%
Formula
Percentage change = [(243 - 489) / 489] x 100
Subtract the new number by the original number
243 - 489 = -246
-246 ÷ 489 = -0.5030674846625767
-0.5030674846625767 x 100 = -50.31%