-63.89% is the change from 889 to 321
Calculation steps:
[( 321 - 889 ) ÷ 889] x 100 = -63.89%
Formula
Percentage change = [(321 - 889) / 889] x 100
Subtract the new number by the original number
321 - 889 = -568
-568 ÷ 889 = -0.6389201349831272
-0.6389201349831272 x 100 = -63.89%