-94.31% is the change from 861 to 49
Calculation steps:
[( 49 - 861 ) ÷ 861] x 100 = -94.31%
Formula
Percentage change = [(49 - 861) / 861] x 100
Subtract the new number by the original number
49 - 861 = -812
-812 ÷ 861 = -0.943089430894309
-0.943089430894309 x 100 = -94.31%