-93.49% is the change from 829 to 54
Calculation steps:
[( 54 - 829 ) ÷ 829] x 100 = -93.49%
Formula
Percentage change = [(54 - 829) / 829] x 100
Subtract the new number by the original number
54 - 829 = -775
-775 ÷ 829 = -0.9348612786489746
-0.9348612786489746 x 100 = -93.49%