-46.79% is the change from 919 to 489
Calculation steps:
[( 489 - 919 ) ÷ 919] x 100 = -46.79%
Formula
Percentage change = [(489 - 919) / 919] x 100
Subtract the new number by the original number
489 - 919 = -430
-430 ÷ 919 = -0.46789989118607184
-0.46789989118607184 x 100 = -46.79%