-93.56% is the change from 838 to 54
Calculation steps:
[( 54 - 838 ) ÷ 838] x 100 = -93.56%
Formula
Percentage change = [(54 - 838) / 838] x 100
Subtract the new number by the original number
54 - 838 = -784
-784 ÷ 838 = -0.9355608591885441
-0.9355608591885441 x 100 = -93.56%