-28.34% is the change from 861 to 617
Calculation steps:
[( 617 - 861 ) ÷ 861] x 100 = -28.34%
Formula
Percentage change = [(617 - 861) / 861] x 100
Subtract the new number by the original number
617 - 861 = -244
-244 ÷ 861 = -0.28339140534262486
-0.28339140534262486 x 100 = -28.34%