-3.05% is the change from 885 to 858
Calculation steps:
[( 858 - 885 ) ÷ 885] x 100 = -3.05%
Formula
Percentage change = [(858 - 885) / 885] x 100
Subtract the new number by the original number
858 - 885 = -27
-27 ÷ 885 = -0.030508474576271188
-0.030508474576271188 x 100 = -3.05%