-8% is the change from 875 to 805
Calculation steps:
[( 805 - 875 ) ÷ 875] x 100 = -8%
Formula
Percentage change = [(805 - 875) / 875] x 100
Subtract the new number by the original number
805 - 875 = -70
-70 ÷ 875 = -0.08
-0.08 x 100 = -8%
Example