-50.84% is the change from 891 to 438
Calculation steps:
[( 438 - 891 ) ÷ 891] x 100 = -50.84%
Formula
Percentage change = [(438 - 891) / 891] x 100
Subtract the new number by the original number
438 - 891 = -453
-453 ÷ 891 = -0.5084175084175084
-0.5084175084175084 x 100 = -50.84%