-94.8% is the change from 404 to 21
Calculation steps:
[( 21 - 404 ) ÷ 404] x 100 = -94.8%
Formula
Percentage change = [(21 - 404) / 404] x 100
Subtract the new number by the original number
21 - 404 = -383
-383 ÷ 404 = -0.948019801980198
-0.948019801980198 x 100 = -94.8%