-3.61% is the change from 858 to 827
Calculation steps:
[( 827 - 858 ) ÷ 858] x 100 = -3.61%
Formula
Percentage change = [(827 - 858) / 858] x 100
Subtract the new number by the original number
827 - 858 = -31
-31 ÷ 858 = -0.03613053613053613
-0.03613053613053613 x 100 = -3.61%