-99.41% is the change from 674 to 4
Calculation steps:
[( 4 - 674 ) ÷ 674] x 100 = -99.41%
Formula
Percentage change = [(4 - 674) / 674] x 100
Subtract the new number by the original number
4 - 674 = -670
-670 ÷ 674 = -0.9940652818991098
-0.9940652818991098 x 100 = -99.41%