-58.91% is the change from 331 to 136
Calculation steps:
[( 136 - 331 ) ÷ 331] x 100 = -58.91%
Formula
Percentage change = [(136 - 331) / 331] x 100
Subtract the new number by the original number
136 - 331 = -195
-195 ÷ 331 = -0.5891238670694864
-0.5891238670694864 x 100 = -58.91%