-84.58% is the change from 201 to 31
Calculation steps:
[( 31 - 201 ) ÷ 201] x 100 = -84.58%
Formula
Percentage change = [(31 - 201) / 201] x 100
Subtract the new number by the original number
31 - 201 = -170
-170 ÷ 201 = -0.845771144278607
-0.845771144278607 x 100 = -84.58%