-5.62% is the change from 338 to 319
Calculation steps:
[( 319 - 338 ) ÷ 338] x 100 = -5.62%
Formula
Percentage change = [(319 - 338) / 338] x 100
Subtract the new number by the original number
319 - 338 = -19
-19 ÷ 338 = -0.05621301775147929
-0.05621301775147929 x 100 = -5.62%