-2.6% is the change from 616 to 600
Calculation steps:
[( 600 - 616 ) ÷ 616] x 100 = -2.6%
Formula
Percentage change = [(600 - 616) / 616] x 100
Subtract the new number by the original number
600 - 616 = -16
-16 ÷ 616 = -0.025974025974025976
-0.025974025974025976 x 100 = -2.6%