-52.23% is the change from 919 to 439
Calculation steps:
[( 439 - 919 ) ÷ 919] x 100 = -52.23%
Formula
Percentage change = [(439 - 919) / 919] x 100
Subtract the new number by the original number
439 - 919 = -480
-480 ÷ 919 = -0.5223068552774756
-0.5223068552774756 x 100 = -52.23%