-55.71% is the change from 779 to 345
Calculation steps:
[( 345 - 779 ) ÷ 779] x 100 = -55.71%
Formula
Percentage change = [(345 - 779) / 779] x 100
Subtract the new number by the original number
345 - 779 = -434
-434 ÷ 779 = -0.5571245186136072
-0.5571245186136072 x 100 = -55.71%