-6.33% is the change from 616 to 577
Calculation steps:
[( 577 - 616 ) ÷ 616] x 100 = -6.33%
Formula
Percentage change = [(577 - 616) / 616] x 100
Subtract the new number by the original number
577 - 616 = -39
-39 ÷ 616 = -0.0633116883116883
-0.0633116883116883 x 100 = -6.33%