-92.04% is the change from 678 to 54
Calculation steps:
[( 54 - 678 ) ÷ 678] x 100 = -92.04%
Formula
Percentage change = [(54 - 678) / 678] x 100
Subtract the new number by the original number
54 - 678 = -624
-624 ÷ 678 = -0.9203539823008849
-0.9203539823008849 x 100 = -92.04%