-70.76% is the change from 489 to 143
Calculation steps:
[( 143 - 489 ) ÷ 489] x 100 = -70.76%
Formula
Percentage change = [(143 - 489) / 489] x 100
Subtract the new number by the original number
143 - 489 = -346
-346 ÷ 489 = -0.7075664621676891
-0.7075664621676891 x 100 = -70.76%