-54.8% is the change from 750 to 339
Calculation steps:
[( 339 - 750 ) ÷ 750] x 100 = -54.8%
Formula
Percentage change = [(339 - 750) / 750] x 100
Subtract the new number by the original number
339 - 750 = -411
-411 ÷ 750 = -0.548
-0.548 x 100 = -54.8%