-98.97% is the change from 875 to 9
Calculation steps:
[( 9 - 875 ) ÷ 875] x 100 = -98.97%
Formula
Percentage change = [(9 - 875) / 875] x 100
Subtract the new number by the original number
9 - 875 = -866
-866 ÷ 875 = -0.9897142857142858
-0.9897142857142858 x 100 = -98.97%