-99.26% is the change from 406 to 3
Calculation steps:
[( 3 - 406 ) ÷ 406] x 100 = -99.26%
Formula
Percentage change = [(3 - 406) / 406] x 100
Subtract the new number by the original number
3 - 406 = -403
-403 ÷ 406 = -0.9926108374384236
-0.9926108374384236 x 100 = -99.26%