-93.64% is the change from 849 to 54
Calculation steps:
[( 54 - 849 ) ÷ 849] x 100 = -93.64%
Formula
Percentage change = [(54 - 849) / 849] x 100
Subtract the new number by the original number
54 - 849 = -795
-795 ÷ 849 = -0.9363957597173145
-0.9363957597173145 x 100 = -93.64%