-94.42% is the change from 878 to 49
Calculation steps:
[( 49 - 878 ) ÷ 878] x 100 = -94.42%
Formula
Percentage change = [(49 - 878) / 878] x 100
Subtract the new number by the original number
49 - 878 = -829
-829 ÷ 878 = -0.9441913439635535
-0.9441913439635535 x 100 = -94.42%