-99.51% is the change from 408 to 2
Calculation steps:
[( 2 - 408 ) ÷ 408] x 100 = -99.51%
Formula
Percentage change = [(2 - 408) / 408] x 100
Subtract the new number by the original number
2 - 408 = -406
-406 ÷ 408 = -0.9950980392156863
-0.9950980392156863 x 100 = -99.51%