-50.32% is the change from 314 to 156
Calculation steps:
[( 156 - 314 ) ÷ 314] x 100 = -50.32%
Formula
Percentage change = [(156 - 314) / 314] x 100
Subtract the new number by the original number
156 - 314 = -158
-158 ÷ 314 = -0.5031847133757962
-0.5031847133757962 x 100 = -50.32%