-94.21% is the change from 674 to 39
Calculation steps:
[( 39 - 674 ) ÷ 674] x 100 = -94.21%
Formula
Percentage change = [(39 - 674) / 674] x 100
Subtract the new number by the original number
39 - 674 = -635
-635 ÷ 674 = -0.9421364985163204
-0.9421364985163204 x 100 = -94.21%