-51.63% is the change from 891 to 431
Calculation steps:
[( 431 - 891 ) ÷ 891] x 100 = -51.63%
Formula
Percentage change = [(431 - 891) / 891] x 100
Subtract the new number by the original number
431 - 891 = -460
-460 ÷ 891 = -0.5162738496071829
-0.5162738496071829 x 100 = -51.63%