-30.27% is the change from 489 to 341
Calculation steps:
[( 341 - 489 ) ÷ 489] x 100 = -30.27%
Formula
Percentage change = [(341 - 489) / 489] x 100
Subtract the new number by the original number
341 - 489 = -148
-148 ÷ 489 = -0.30265848670756645
-0.30265848670756645 x 100 = -30.27%