-99.26% is the change from 405 to 3
Calculation steps:
[( 3 - 405 ) ÷ 405] x 100 = -99.26%
Formula
Percentage change = [(3 - 405) / 405] x 100
Subtract the new number by the original number
3 - 405 = -402
-402 ÷ 405 = -0.9925925925925926
-0.9925925925925926 x 100 = -99.26%