-72.24% is the change from 616 to 171
Calculation steps:
[( 171 - 616 ) ÷ 616] x 100 = -72.24%
Formula
Percentage change = [(171 - 616) / 616] x 100
Subtract the new number by the original number
171 - 616 = -445
-445 ÷ 616 = -0.7224025974025974
-0.7224025974025974 x 100 = -72.24%