-91.88% is the change from 616 to 50
Calculation steps:
[( 50 - 616 ) ÷ 616] x 100 = -91.88%
Formula
Percentage change = [(50 - 616) / 616] x 100
Subtract the new number by the original number
50 - 616 = -566
-566 ÷ 616 = -0.9188311688311688
-0.9188311688311688 x 100 = -91.88%