-34.57% is the change from 865 to 566
Calculation steps:
[( 566 - 865 ) ÷ 865] x 100 = -34.57%
Formula
Percentage change = [(566 - 865) / 865] x 100
Subtract the new number by the original number
566 - 865 = -299
-299 ÷ 865 = -0.34566473988439306
-0.34566473988439306 x 100 = -34.57%