-70.14% is the change from 489 to 146
Calculation steps:
[( 146 - 489 ) ÷ 489] x 100 = -70.14%
Formula
Percentage change = [(146 - 489) / 489] x 100
Subtract the new number by the original number
146 - 489 = -343
-343 ÷ 489 = -0.7014314928425358
-0.7014314928425358 x 100 = -70.14%