-94.27% is the change from 663 to 38
Calculation steps:
[( 38 - 663 ) ÷ 663] x 100 = -94.27%
Formula
Percentage change = [(38 - 663) / 663] x 100
Subtract the new number by the original number
38 - 663 = -625
-625 ÷ 663 = -0.942684766214178
-0.942684766214178 x 100 = -94.27%