-54.81% is the change from 770 to 348
Calculation steps:
[( 348 - 770 ) ÷ 770] x 100 = -54.81%
Formula
Percentage change = [(348 - 770) / 770] x 100
Subtract the new number by the original number
348 - 770 = -422
-422 ÷ 770 = -0.548051948051948
-0.548051948051948 x 100 = -54.81%