-91.21% is the change from 489 to 43
Calculation steps:
[( 43 - 489 ) ÷ 489] x 100 = -91.21%
Formula
Percentage change = [(43 - 489) / 489] x 100
Subtract the new number by the original number
43 - 489 = -446
-446 ÷ 489 = -0.9120654396728016
-0.9120654396728016 x 100 = -91.21%