-33.65% is the change from 850 to 564
Calculation steps:
[( 564 - 850 ) ÷ 850] x 100 = -33.65%
Formula
Percentage change = [(564 - 850) / 850] x 100
Subtract the new number by the original number
564 - 850 = -286
-286 ÷ 850 = -0.33647058823529413
-0.33647058823529413 x 100 = -33.65%