-4.17% is the change from 887 to 850
Calculation steps:
[( 850 - 887 ) ÷ 887] x 100 = -4.17%
Formula
Percentage change = [(850 - 887) / 887] x 100
Subtract the new number by the original number
850 - 887 = -37
-37 ÷ 887 = -0.04171364148816235
-0.04171364148816235 x 100 = -4.17%