-99.26% is the change from 678 to 5
Calculation steps:
[( 5 - 678 ) ÷ 678] x 100 = -99.26%
Formula
Percentage change = [(5 - 678) / 678] x 100
Subtract the new number by the original number
5 - 678 = -673
-673 ÷ 678 = -0.9926253687315634
-0.9926253687315634 x 100 = -99.26%