-6.75% is the change from 874 to 815
Calculation steps:
[( 815 - 874 ) ÷ 874] x 100 = -6.75%
Formula
Percentage change = [(815 - 874) / 874] x 100
Subtract the new number by the original number
815 - 874 = -59
-59 ÷ 874 = -0.06750572082379863
-0.06750572082379863 x 100 = -6.75%