-52.4% is the change from 313 to 149
Calculation steps:
[( 149 - 313 ) ÷ 313] x 100 = -52.4%
Formula
Percentage change = [(149 - 313) / 313] x 100
Subtract the new number by the original number
149 - 313 = -164
-164 ÷ 313 = -0.5239616613418531
-0.5239616613418531 x 100 = -52.4%