-55.09% is the change from 766 to 344
Calculation steps:
[( 344 - 766 ) ÷ 766] x 100 = -55.09%
Formula
Percentage change = [(344 - 766) / 766] x 100
Subtract the new number by the original number
344 - 766 = -422
-422 ÷ 766 = -0.5509138381201044
-0.5509138381201044 x 100 = -55.09%