-51.53% is the change from 489 to 237
Calculation steps:
[( 237 - 489 ) ÷ 489] x 100 = -51.53%
Formula
Percentage change = [(237 - 489) / 489] x 100
Subtract the new number by the original number
237 - 489 = -252
-252 ÷ 489 = -0.5153374233128835
-0.5153374233128835 x 100 = -51.53%