-99.42% is the change from 344 to 2
Calculation steps:
[( 2 - 344 ) ÷ 344] x 100 = -99.42%
Formula
Percentage change = [(2 - 344) / 344] x 100
Subtract the new number by the original number
2 - 344 = -342
-342 ÷ 344 = -0.9941860465116279
-0.9941860465116279 x 100 = -99.42%