-58.61% is the change from 331 to 137
Calculation steps:
[( 137 - 331 ) ÷ 331] x 100 = -58.61%
Formula
Percentage change = [(137 - 331) / 331] x 100
Subtract the new number by the original number
137 - 331 = -194
-194 ÷ 331 = -0.5861027190332326
-0.5861027190332326 x 100 = -58.61%