-33.76% is the change from 850 to 563
Calculation steps:
[( 563 - 850 ) ÷ 850] x 100 = -33.76%
Formula
Percentage change = [(563 - 850) / 850] x 100
Subtract the new number by the original number
563 - 850 = -287
-287 ÷ 850 = -0.3376470588235294
-0.3376470588235294 x 100 = -33.76%