-69.03% is the change from 339 to 105
Calculation steps:
[( 105 - 339 ) ÷ 339] x 100 = -69.03%
Formula
Percentage change = [(105 - 339) / 339] x 100
Subtract the new number by the original number
105 - 339 = -234
-234 ÷ 339 = -0.6902654867256637
-0.6902654867256637 x 100 = -69.03%