-4.76% is the change from 336 to 320
Calculation steps:
[( 320 - 336 ) ÷ 336] x 100 = -4.76%
Formula
Percentage change = [(320 - 336) / 336] x 100
Subtract the new number by the original number
320 - 336 = -16
-16 ÷ 336 = -0.047619047619047616
-0.047619047619047616 x 100 = -4.76%