-99.41% is the change from 337 to 2
Calculation steps:
[( 2 - 337 ) ÷ 337] x 100 = -99.41%
Formula
Percentage change = [(2 - 337) / 337] x 100
Subtract the new number by the original number
2 - 337 = -335
-335 ÷ 337 = -0.9940652818991098
-0.9940652818991098 x 100 = -99.41%