-98.96% is the change from 674 to 7
Calculation steps:
[( 7 - 674 ) ÷ 674] x 100 = -98.96%
Formula
Percentage change = [(7 - 674) / 674] x 100
Subtract the new number by the original number
7 - 674 = -667
-667 ÷ 674 = -0.9896142433234422
-0.9896142433234422 x 100 = -98.96%