-54.94% is the change from 770 to 347
Calculation steps:
[( 347 - 770 ) ÷ 770] x 100 = -54.94%
Formula
Percentage change = [(347 - 770) / 770] x 100
Subtract the new number by the original number
347 - 770 = -423
-423 ÷ 770 = -0.5493506493506494
-0.5493506493506494 x 100 = -54.94%