-99.4% is the change from 335 to 2
Calculation steps:
[( 2 - 335 ) ÷ 335] x 100 = -99.4%
Formula
Percentage change = [(2 - 335) / 335] x 100
Subtract the new number by the original number
2 - 335 = -333
-333 ÷ 335 = -0.9940298507462687
-0.9940298507462687 x 100 = -99.4%