-94.41% is the change from 680 to 38
Calculation steps:
[( 38 - 680 ) ÷ 680] x 100 = -94.41%
Formula
Percentage change = [(38 - 680) / 680] x 100
Subtract the new number by the original number
38 - 680 = -642
-642 ÷ 680 = -0.9441176470588235
-0.9441176470588235 x 100 = -94.41%