-29.24% is the change from 489 to 346
Calculation steps:
[( 346 - 489 ) ÷ 489] x 100 = -29.24%
Formula
Percentage change = [(346 - 489) / 489] x 100
Subtract the new number by the original number
346 - 489 = -143
-143 ÷ 489 = -0.29243353783231085
-0.29243353783231085 x 100 = -29.24%