-99.41% is the change from 338 to 2
Calculation steps:
[( 2 - 338 ) ÷ 338] x 100 = -99.41%
Formula
Percentage change = [(2 - 338) / 338] x 100
Subtract the new number by the original number
2 - 338 = -336
-336 ÷ 338 = -0.9940828402366864
-0.9940828402366864 x 100 = -99.41%