-44.83% is the change from 919 to 507
Calculation steps:
[( 507 - 919 ) ÷ 919] x 100 = -44.83%
Formula
Percentage change = [(507 - 919) / 919] x 100
Subtract the new number by the original number
507 - 919 = -412
-412 ÷ 919 = -0.44831338411316646
-0.44831338411316646 x 100 = -44.83%