-99.5% is the change from 403 to 2
Calculation steps:
[( 2 - 403 ) ÷ 403] x 100 = -99.5%
Formula
Percentage change = [(2 - 403) / 403] x 100
Subtract the new number by the original number
2 - 403 = -401
-401 ÷ 403 = -0.9950372208436724
-0.9950372208436724 x 100 = -99.5%