-92.5% is the change from 720 to 54
Calculation steps:
[( 54 - 720 ) ÷ 720] x 100 = -92.5%
Formula
Percentage change = [(54 - 720) / 720] x 100
Subtract the new number by the original number
54 - 720 = -666
-666 ÷ 720 = -0.925
-0.925 x 100 = -92.5%
Example