-16.02% is the change from 231 to 194
Calculation steps:
[( 194 - 231 ) ÷ 231] x 100 = -16.02%
Formula
Percentage change = [(194 - 231) / 231] x 100
Subtract the new number by the original number
194 - 231 = -37
-37 ÷ 231 = -0.16017316017316016
-0.16017316017316016 x 100 = -16.02%