-73.21% is the change from 489 to 131
Calculation steps:
[( 131 - 489 ) ÷ 489] x 100 = -73.21%
Formula
Percentage change = [(131 - 489) / 489] x 100
Subtract the new number by the original number
131 - 489 = -358
-358 ÷ 489 = -0.7321063394683026
-0.7321063394683026 x 100 = -73.21%