-94.68% is the change from 921 to 49
Calculation steps:
[( 49 - 921 ) ÷ 921] x 100 = -94.68%
Formula
Percentage change = [(49 - 921) / 921] x 100
Subtract the new number by the original number
49 - 921 = -872
-872 ÷ 921 = -0.9467969598262758
-0.9467969598262758 x 100 = -94.68%