-94.09% is the change from 829 to 49
Calculation steps:
[( 49 - 829 ) ÷ 829] x 100 = -94.09%
Formula
Percentage change = [(49 - 829) / 829] x 100
Subtract the new number by the original number
49 - 829 = -780
-780 ÷ 829 = -0.9408926417370326
-0.9408926417370326 x 100 = -94.09%