-43.63% is the change from 777 to 438
Calculation steps:
[( 438 - 777 ) ÷ 777] x 100 = -43.63%
Formula
Percentage change = [(438 - 777) / 777] x 100
Subtract the new number by the original number
438 - 777 = -339
-339 ÷ 777 = -0.4362934362934363
-0.4362934362934363 x 100 = -43.63%