-15.62% is the change from 397 to 335
Calculation steps:
[( 335 - 397 ) ÷ 397] x 100 = -15.62%
Formula
Percentage change = [(335 - 397) / 397] x 100
Subtract the new number by the original number
335 - 397 = -62
-62 ÷ 397 = -0.1561712846347607
-0.1561712846347607 x 100 = -15.62%