-82.18% is the change from 174 to 31
Calculation steps:
[( 31 - 174 ) ÷ 174] x 100 = -82.18%
Formula
Percentage change = [(31 - 174) / 174] x 100
Subtract the new number by the original number
31 - 174 = -143
-143 ÷ 174 = -0.8218390804597702
-0.8218390804597702 x 100 = -82.18%