-97.77% is the change from 403 to 9
Calculation steps:
[( 9 - 403 ) ÷ 403] x 100 = -97.77%
Formula
Percentage change = [(9 - 403) / 403] x 100
Subtract the new number by the original number
9 - 403 = -394
-394 ÷ 403 = -0.9776674937965261
-0.9776674937965261 x 100 = -97.77%