-53.37% is the change from 489 to 228
Calculation steps:
[( 228 - 489 ) ÷ 489] x 100 = -53.37%
Formula
Percentage change = [(228 - 489) / 489] x 100
Subtract the new number by the original number
228 - 489 = -261
-261 ÷ 489 = -0.5337423312883436
-0.5337423312883436 x 100 = -53.37%