-54.94% is the change from 344 to 155
Calculation steps:
[( 155 - 344 ) ÷ 344] x 100 = -54.94%
Formula
Percentage change = [(155 - 344) / 344] x 100
Subtract the new number by the original number
155 - 344 = -189
-189 ÷ 344 = -0.5494186046511628
-0.5494186046511628 x 100 = -54.94%