-0.88% is the change from 339 to 336
Calculation steps:
[( 336 - 339 ) ÷ 339] x 100 = -0.88%
Formula
Percentage change = [(336 - 339) / 339] x 100
Subtract the new number by the original number
336 - 339 = -3
-3 ÷ 339 = -0.008849557522123894
-0.008849557522123894 x 100 = -0.88%