-55.22% is the change from 766 to 343
Calculation steps:
[( 343 - 766 ) ÷ 766] x 100 = -55.22%
Formula
Percentage change = [(343 - 766) / 766] x 100
Subtract the new number by the original number
343 - 766 = -423
-423 ÷ 766 = -0.5522193211488251
-0.5522193211488251 x 100 = -55.22%