-55.74% is the change from 766 to 339
Calculation steps:
[( 339 - 766 ) ÷ 766] x 100 = -55.74%
Formula
Percentage change = [(339 - 766) / 766] x 100
Subtract the new number by the original number
339 - 766 = -427
-427 ÷ 766 = -0.5574412532637075
-0.5574412532637075 x 100 = -55.74%