-54.55% is the change from 616 to 280
Calculation steps:
[( 280 - 616 ) ÷ 616] x 100 = -54.55%
Formula
Percentage change = [(280 - 616) / 616] x 100
Subtract the new number by the original number
280 - 616 = -336
-336 ÷ 616 = -0.5454545454545454
-0.5454545454545454 x 100 = -54.55%