-19.98% is the change from 871 to 697
Calculation steps:
[( 697 - 871 ) ÷ 871] x 100 = -19.98%
Formula
Percentage change = [(697 - 871) / 871] x 100
Subtract the new number by the original number
697 - 871 = -174
-174 ÷ 871 = -0.1997703788748565
-0.1997703788748565 x 100 = -19.98%