-2.75% is the change from 874 to 850
Calculation steps:
[( 850 - 874 ) ÷ 874] x 100 = -2.75%
Formula
Percentage change = [(850 - 874) / 874] x 100
Subtract the new number by the original number
850 - 874 = -24
-24 ÷ 874 = -0.02745995423340961
-0.02745995423340961 x 100 = -2.75%