-14.86% is the change from 397 to 338
Calculation steps:
[( 338 - 397 ) ÷ 397] x 100 = -14.86%
Formula
Percentage change = [(338 - 397) / 397] x 100
Subtract the new number by the original number
338 - 397 = -59
-59 ÷ 397 = -0.1486146095717884
-0.1486146095717884 x 100 = -14.86%