-21.28% is the change from 874 to 688
Calculation steps:
[( 688 - 874 ) ÷ 874] x 100 = -21.28%
Formula
Percentage change = [(688 - 874) / 874] x 100
Subtract the new number by the original number
688 - 874 = -186
-186 ÷ 874 = -0.2128146453089245
-0.2128146453089245 x 100 = -21.28%