-56.55% is the change from 313 to 136
Calculation steps:
[( 136 - 313 ) ÷ 313] x 100 = -56.55%
Formula
Percentage change = [(136 - 313) / 313] x 100
Subtract the new number by the original number
136 - 313 = -177
-177 ÷ 313 = -0.5654952076677316
-0.5654952076677316 x 100 = -56.55%