-92.06% is the change from 680 to 54
Calculation steps:
[( 54 - 680 ) ÷ 680] x 100 = -92.06%
Formula
Percentage change = [(54 - 680) / 680] x 100
Subtract the new number by the original number
54 - 680 = -626
-626 ÷ 680 = -0.9205882352941176
-0.9205882352941176 x 100 = -92.06%