-94.16% is the change from 839 to 49
Calculation steps:
[( 49 - 839 ) ÷ 839] x 100 = -94.16%
Formula
Percentage change = [(49 - 839) / 839] x 100
Subtract the new number by the original number
49 - 839 = -790
-790 ÷ 839 = -0.9415971394517283
-0.9415971394517283 x 100 = -94.16%