-70.96% is the change from 489 to 142
Calculation steps:
[( 142 - 489 ) ÷ 489] x 100 = -70.96%
Formula
Percentage change = [(142 - 489) / 489] x 100
Subtract the new number by the original number
142 - 489 = -347
-347 ÷ 489 = -0.7096114519427403
-0.7096114519427403 x 100 = -70.96%