-42.4% is the change from 849 to 489
Calculation steps:
[( 489 - 849 ) ÷ 849] x 100 = -42.4%
Formula
Percentage change = [(489 - 849) / 849] x 100
Subtract the new number by the original number
489 - 849 = -360
-360 ÷ 849 = -0.42402826855123676
-0.42402826855123676 x 100 = -42.4%