-5.06% is the change from 336 to 319
Calculation steps:
[( 319 - 336 ) ÷ 336] x 100 = -5.06%
Formula
Percentage change = [(319 - 336) / 336] x 100
Subtract the new number by the original number
319 - 336 = -17
-17 ÷ 336 = -0.050595238095238096
-0.050595238095238096 x 100 = -5.06%