-21.1% is the change from 616 to 486
Calculation steps:
[( 486 - 616 ) ÷ 616] x 100 = -21.1%
Formula
Percentage change = [(486 - 616) / 616] x 100
Subtract the new number by the original number
486 - 616 = -130
-130 ÷ 616 = -0.21103896103896103
-0.21103896103896103 x 100 = -21.1%