-71.09% is the change from 889 to 257
Calculation steps:
[( 257 - 889 ) ÷ 889] x 100 = -71.09%
Formula
Percentage change = [(257 - 889) / 889] x 100
Subtract the new number by the original number
257 - 889 = -632
-632 ÷ 889 = -0.7109111361079865
-0.7109111361079865 x 100 = -71.09%