-4.39% is the change from 889 to 850
Calculation steps:
[( 850 - 889 ) ÷ 889] x 100 = -4.39%
Formula
Percentage change = [(850 - 889) / 889] x 100
Subtract the new number by the original number
850 - 889 = -39
-39 ÷ 889 = -0.043869516310461196
-0.043869516310461196 x 100 = -4.39%