-52.08% is the change from 891 to 427
Calculation steps:
[( 427 - 891 ) ÷ 891] x 100 = -52.08%
Formula
Percentage change = [(427 - 891) / 891] x 100
Subtract the new number by the original number
427 - 891 = -464
-464 ÷ 891 = -0.5207631874298541
-0.5207631874298541 x 100 = -52.08%