-57.37% is the change from 319 to 136
Calculation steps:
[( 136 - 319 ) ÷ 319] x 100 = -57.37%
Formula
Percentage change = [(136 - 319) / 319] x 100
Subtract the new number by the original number
136 - 319 = -183
-183 ÷ 319 = -0.5736677115987461
-0.5736677115987461 x 100 = -57.37%