-34.62% is the change from 858 to 561
Calculation steps:
[( 561 - 858 ) ÷ 858] x 100 = -34.62%
Formula
Percentage change = [(561 - 858) / 858] x 100
Subtract the new number by the original number
561 - 858 = -297
-297 ÷ 858 = -0.34615384615384615
-0.34615384615384615 x 100 = -34.62%