-69.6% is the change from 875 to 266
Calculation steps:
[( 266 - 875 ) ÷ 875] x 100 = -69.6%
Formula
Percentage change = [(266 - 875) / 875] x 100
Subtract the new number by the original number
266 - 875 = -609
-609 ÷ 875 = -0.696
-0.696 x 100 = -69.6%