-96.46% is the change from 678 to 24
Calculation steps:
[( 24 - 678 ) ÷ 678] x 100 = -96.46%
Formula
Percentage change = [(24 - 678) / 678] x 100
Subtract the new number by the original number
24 - 678 = -654
-654 ÷ 678 = -0.9646017699115044
-0.9646017699115044 x 100 = -96.46%