-51.13% is the change from 397 to 194
Calculation steps:
[( 194 - 397 ) ÷ 397] x 100 = -51.13%
Formula
Percentage change = [(194 - 397) / 397] x 100
Subtract the new number by the original number
194 - 397 = -203
-203 ÷ 397 = -0.5113350125944585
-0.5113350125944585 x 100 = -51.13%