-34.53% is the change from 866 to 567
Calculation steps:
[( 567 - 866 ) ÷ 866] x 100 = -34.53%
Formula
Percentage change = [(567 - 866) / 866] x 100
Subtract the new number by the original number
567 - 866 = -299
-299 ÷ 866 = -0.34526558891454967
-0.34526558891454967 x 100 = -34.53%