-44.94% is the change from 919 to 506
Calculation steps:
[( 506 - 919 ) ÷ 919] x 100 = -44.94%
Formula
Percentage change = [(506 - 919) / 919] x 100
Subtract the new number by the original number
506 - 919 = -413
-413 ÷ 919 = -0.44940152339499456
-0.44940152339499456 x 100 = -44.94%