-43.09% is the change from 912 to 519
Calculation steps:
[( 519 - 912 ) ÷ 912] x 100 = -43.09%
Formula
Percentage change = [(519 - 912) / 912] x 100
Subtract the new number by the original number
519 - 912 = -393
-393 ÷ 912 = -0.4309210526315789
-0.4309210526315789 x 100 = -43.09%