-99.04% is the change from 938 to 9
Calculation steps:
[( 9 - 938 ) ÷ 938] x 100 = -99.04%
Formula
Percentage change = [(9 - 938) / 938] x 100
Subtract the new number by the original number
9 - 938 = -929
-929 ÷ 938 = -0.990405117270789
-0.990405117270789 x 100 = -99.04%