-94.39% is the change from 677 to 38
Calculation steps:
[( 38 - 677 ) ÷ 677] x 100 = -94.39%
Formula
Percentage change = [(38 - 677) / 677] x 100
Subtract the new number by the original number
38 - 677 = -639
-639 ÷ 677 = -0.9438700147710487
-0.9438700147710487 x 100 = -94.39%