-53.55% is the change from 310 to 144
Calculation steps:
[( 144 - 310 ) ÷ 310] x 100 = -53.55%
Formula
Percentage change = [(144 - 310) / 310] x 100
Subtract the new number by the original number
144 - 310 = -166
-166 ÷ 310 = -0.535483870967742
-0.535483870967742 x 100 = -53.55%