-41.39% is the change from 331 to 194
Calculation steps:
[( 194 - 331 ) ÷ 331] x 100 = -41.39%
Formula
Percentage change = [(194 - 331) / 331] x 100
Subtract the new number by the original number
194 - 331 = -137
-137 ÷ 331 = -0.41389728096676737
-0.41389728096676737 x 100 = -41.39%