-48.26% is the change from 344 to 178
Calculation steps:
[( 178 - 344 ) ÷ 344] x 100 = -48.26%
Formula
Percentage change = [(178 - 344) / 344] x 100
Subtract the new number by the original number
178 - 344 = -166
-166 ÷ 344 = -0.48255813953488375
-0.48255813953488375 x 100 = -48.26%