-47.89% is the change from 616 to 321
Calculation steps:
[( 321 - 616 ) ÷ 616] x 100 = -47.89%
Formula
Percentage change = [(321 - 616) / 616] x 100
Subtract the new number by the original number
321 - 616 = -295
-295 ÷ 616 = -0.4788961038961039
-0.4788961038961039 x 100 = -47.89%