-51.16% is the change from 344 to 168
Calculation steps:
[( 168 - 344 ) ÷ 344] x 100 = -51.16%
Formula
Percentage change = [(168 - 344) / 344] x 100
Subtract the new number by the original number
168 - 344 = -176
-176 ÷ 344 = -0.5116279069767442
-0.5116279069767442 x 100 = -51.16%