-93.97% is the change from 812 to 49
Calculation steps:
[( 49 - 812 ) ÷ 812] x 100 = -93.97%
Formula
Percentage change = [(49 - 812) / 812] x 100
Subtract the new number by the original number
49 - 812 = -763
-763 ÷ 812 = -0.9396551724137931
-0.9396551724137931 x 100 = -93.97%