-28.9% is the change from 616 to 438
Calculation steps:
[( 438 - 616 ) ÷ 616] x 100 = -28.9%
Formula
Percentage change = [(438 - 616) / 616] x 100
Subtract the new number by the original number
438 - 616 = -178
-178 ÷ 616 = -0.288961038961039
-0.288961038961039 x 100 = -28.9%