-68.22% is the change from 343 to 109
Calculation steps:
[( 109 - 343 ) ÷ 343] x 100 = -68.22%
Formula
Percentage change = [(109 - 343) / 343] x 100
Subtract the new number by the original number
109 - 343 = -234
-234 ÷ 343 = -0.6822157434402333
-0.6822157434402333 x 100 = -68.22%