-84.02% is the change from 194 to 31
Calculation steps:
[( 31 - 194 ) ÷ 194] x 100 = -84.02%
Formula
Percentage change = [(31 - 194) / 194] x 100
Subtract the new number by the original number
31 - 194 = -163
-163 ÷ 194 = -0.8402061855670103
-0.8402061855670103 x 100 = -84.02%