-56.43% is the change from 778 to 339
Calculation steps:
[( 339 - 778 ) ÷ 778] x 100 = -56.43%
Formula
Percentage change = [(339 - 778) / 778] x 100
Subtract the new number by the original number
339 - 778 = -439
-439 ÷ 778 = -0.5642673521850899
-0.5642673521850899 x 100 = -56.43%