-47.42% is the change from 930 to 489
Calculation steps:
[( 489 - 930 ) ÷ 930] x 100 = -47.42%
Formula
Percentage change = [(489 - 930) / 930] x 100
Subtract the new number by the original number
489 - 930 = -441
-441 ÷ 930 = -0.47419354838709676
-0.47419354838709676 x 100 = -47.42%