-8.57% is the change from 875 to 800
Calculation steps:
[( 800 - 875 ) ÷ 875] x 100 = -8.57%
Formula
Percentage change = [(800 - 875) / 875] x 100
Subtract the new number by the original number
800 - 875 = -75
-75 ÷ 875 = -0.08571428571428572
-0.08571428571428572 x 100 = -8.57%