-48.68% is the change from 304 to 156
Calculation steps:
[( 156 - 304 ) ÷ 304] x 100 = -48.68%
Formula
Percentage change = [(156 - 304) / 304] x 100
Subtract the new number by the original number
156 - 304 = -148
-148 ÷ 304 = -0.4868421052631579
-0.4868421052631579 x 100 = -48.68%