-63.47% is the change from 928 to 339
Calculation steps:
[( 339 - 928 ) ÷ 928] x 100 = -63.47%
Formula
Percentage change = [(339 - 928) / 928] x 100
Subtract the new number by the original number
339 - 928 = -589
-589 ÷ 928 = -0.634698275862069
-0.634698275862069 x 100 = -63.47%