-55.06% is the change from 770 to 346
Calculation steps:
[( 346 - 770 ) ÷ 770] x 100 = -55.06%
Formula
Percentage change = [(346 - 770) / 770] x 100
Subtract the new number by the original number
346 - 770 = -424
-424 ÷ 770 = -0.5506493506493506
-0.5506493506493506 x 100 = -55.06%