-93.33% is the change from 809 to 54
Calculation steps:
[( 54 - 809 ) ÷ 809] x 100 = -93.33%
Formula
Percentage change = [(54 - 809) / 809] x 100
Subtract the new number by the original number
54 - 809 = -755
-755 ÷ 809 = -0.9332509270704573
-0.9332509270704573 x 100 = -93.33%