-16.16% is the change from 619 to 519
Calculation steps:
[( 519 - 619 ) ÷ 619] x 100 = -16.16%
Formula
Percentage change = [(519 - 619) / 619] x 100
Subtract the new number by the original number
519 - 619 = -100
-100 ÷ 619 = -0.16155088852988692
-0.16155088852988692 x 100 = -16.16%