-43.19% is the change from 771 to 438
Calculation steps:
[( 438 - 771 ) ÷ 771] x 100 = -43.19%
Formula
Percentage change = [(438 - 771) / 771] x 100
Subtract the new number by the original number
438 - 771 = -333
-333 ÷ 771 = -0.43190661478599224
-0.43190661478599224 x 100 = -43.19%