-38.36% is the change from 842 to 519
Calculation steps:
[( 519 - 842 ) ÷ 842] x 100 = -38.36%
Formula
Percentage change = [(519 - 842) / 842] x 100
Subtract the new number by the original number
519 - 842 = -323
-323 ÷ 842 = -0.3836104513064133
-0.3836104513064133 x 100 = -38.36%