-32.68% is the change from 771 to 519
Calculation steps:
[( 519 - 771 ) ÷ 771] x 100 = -32.68%
Formula
Percentage change = [(519 - 771) / 771] x 100
Subtract the new number by the original number
519 - 771 = -252
-252 ÷ 771 = -0.32684824902723736
-0.32684824902723736 x 100 = -32.68%