-98.83% is the change from 343 to 4
Calculation steps:
[( 4 - 343 ) ÷ 343] x 100 = -98.83%
Formula
Percentage change = [(4 - 343) / 343] x 100
Subtract the new number by the original number
4 - 343 = -339
-339 ÷ 343 = -0.9883381924198251
-0.9883381924198251 x 100 = -98.83%