-79.35% is the change from 489 to 101
Calculation steps:
[( 101 - 489 ) ÷ 489] x 100 = -79.35%
Formula
Percentage change = [(101 - 489) / 489] x 100
Subtract the new number by the original number
101 - 489 = -388
-388 ÷ 489 = -0.7934560327198364
-0.7934560327198364 x 100 = -79.35%