-42.86% is the change from 343 to 196
Calculation steps:
[( 196 - 343 ) ÷ 343] x 100 = -42.86%
Formula
Percentage change = [(196 - 343) / 343] x 100
Subtract the new number by the original number
196 - 343 = -147
-147 ÷ 343 = -0.42857142857142855
-0.42857142857142855 x 100 = -42.86%