-24.34% is the change from 686 to 519
Calculation steps:
[( 519 - 686 ) ÷ 686] x 100 = -24.34%
Formula
Percentage change = [(519 - 686) / 686] x 100
Subtract the new number by the original number
519 - 686 = -167
-167 ÷ 686 = -0.2434402332361516
-0.2434402332361516 x 100 = -24.34%