-93.75% is the change from 864 to 54
Calculation steps:
[( 54 - 864 ) ÷ 864] x 100 = -93.75%
Formula
Percentage change = [(54 - 864) / 864] x 100
Subtract the new number by the original number
54 - 864 = -810
-810 ÷ 864 = -0.9375
-0.9375 x 100 = -93.75%